1 2001-03-07 Tom Tromey <tromey@redhat.com>
4 * configure.in: Allow config-lang.in to set `lang_requires' to list
5 of other required languages.
7 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
9 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
11 (output_prologue): Use xmalloc not oballoc.
12 (output_epilog): Free a29k_first_epilogue_insn when finished.
13 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
15 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
17 * builtins.c (expand_builtin_mathfn): Check
18 flag_unsafe_math_optimizations, not flag_fast_math.
19 (expand_builtin): Likewise
20 * combine.c (combine_simplify_rtx): Likewise.
21 (simplify_if_then_else): Likewise.
22 * cse.c (fold_rtx): Likewise.
23 * flags.h: Remove flag_fast_math. Add
24 flag_unsafe_math_optimizations and flag_trapping_math.
25 * fold-const.c (negate_expr): Check
26 flag_unsafe_math_optimizations, not flag_fast_math.
27 (invert_truthvalue): Likewise.
28 (fold): Likewise. Before associating operands, check that
29 code == MULT_EXPR, not code != MULT_EXPR.
30 * ifcvt.c (noce_try_minmax): Check
31 flag_unsafe_math_optimizations, not flag_fast_math.
32 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
33 * invoke.texi: Document -funsafe-math-optimizations and
34 -fno-trapping-math. Change documentation for -ffast-math.
35 * jump.c (reversed_comparison_code_parts): Likewise.
36 (rtx_equal_for_thread_p): Likewise.
37 * optabs.c (emit_conditional_move): Likewise.
38 * simplify-rtx.c (simplify_binary_operation): Likewise.
39 (simplify_relational_operation): Likewise.
40 (simplify_ternary_operation): Likewise.
41 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
42 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
43 Add trapping-math and unsafe-math-optimizations entries to f_options.
44 (set_fast_math_flags): New, sets flags for -ffast-math.
45 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
46 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
47 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
49 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
50 (alpha_emit_conditional_move): Initialize local_fast_math to
51 flag_unsafe_math_optimizations, not flat_fast_math.
52 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
53 instead of setting flag_fast_math to 1.
54 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
56 * config/i386/i386.c (override_options): Likewise
57 * config/i386/i386.md: Likewise.
58 * config/m68k/m68k.md: Likewise.
59 * config/mips/mips.md: Likewise.
60 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
61 (rs6000_generate_compare): Likewise.
63 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
65 * Makefile.in: Set RANLIB to @RANLIB@.
68 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
70 * fixinc/inclhack.def (djgpp_wchar_h): New test.
71 * fixinc/fixincl.x: Regenerated.
73 2001-03-07 Richard Henderson <rth@redhat.com>
75 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
77 2001-03-07 Richard Henderson <rth@redhat.com>
79 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
80 of block notes and exception handling notes.
82 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
83 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
84 (compile_file): ... here.
86 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
88 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
90 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
91 config.h now. Include libiberty.h to handle alloca.
93 2001-03-06 Zack Weinberg <zackw@stanford.edu>
95 * c-parse.in (yylexname): New function, split out of _yylex.
96 (objc_rid_sans_at): New table.
97 (init_reswords): Initialize it.
98 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
99 retrieving the next token and checking it for significance as
100 an ObjC keyword or string constant.
102 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
103 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
105 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
108 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
110 * config/m68k/m68k.c (const_uint32_operand): Accept any
111 const_int on a 32-bit host.
113 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
115 * objc/objc-act.c (init_objc): Set save_lang_status,
116 restore_lang_status, and mark_lang_status.
118 2001-03-06 Krister Walfridsson <cato@df.lth.se>
120 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
122 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
124 * cppinternals.texi: Update.
126 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
128 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
129 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
130 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
131 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
132 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
133 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
134 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
135 config/i386/xm-i386.h, config/i860/xm-i860.h,
136 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
137 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
138 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
139 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
140 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
141 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
142 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
143 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
144 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
145 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
146 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
147 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
148 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
149 match the defaults provided in hwint.h.
151 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
152 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
154 * config.gcc (xm_file): Don't set to files which are deleted.
156 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
157 guard this file against these macros being undefined.
159 2001-03-06 Zack Weinberg <zackw@stanford.edu>
161 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
162 and DECL_DEFER_OUTPUT on the decl we create, before calling
163 rest_of_decl_compilation.
165 2001-03-06 Zack Weinberg <zackw@stanford.edu>
167 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
169 * configure, config.in: Regenerate.
170 * config.gcc: Remove references to deleted files.
172 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
173 genrecog.c, rtl.c: Do not use alloca anywhere.
175 * Makefile.in, build-make, system.h, config/x-interix,
176 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
177 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
178 config/arc/xm-arc.h, config/arm/xm-arm.h,
179 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
180 config/h8300/xm-h8300.h, config/i370/x-oe,
181 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
182 config/i386/x-ncr3000, config/i386/x-sco5,
183 config/i386/xm-dgux.h, config/i860/x-sysv4,
184 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
185 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
186 config/m68k/x-hp320g, config/m69k/x-mot3300,
187 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
188 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
189 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
190 config/m88k/x-sysv4, config/m88k/x-tekXD88,
191 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
192 config/mips/x-iris, config/mips/x-iris3,
193 config/mips/x-sni-svr4, config/mips/x-sysv,
194 config/mips/xm-iris6.h, config/mips/xm-mips.h,
195 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
196 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
197 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
198 config/pa/xm-papro.h, config/romp/xm-romp.h,
199 config/rs6000/x-aix31, config/rs6000/x-aix41,
200 config/rs6000/x-beos, config/rs6000/x-lynx,
201 config/rs6000/x-mach, config/rs6000/x-rs6000,
202 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
203 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
204 config/sparc/x-sysv4, config/sparc/xm-linux.h,
205 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
206 config/vax/xm-vms.h: Eradicate all references to alloca and
209 * config/xm-alloca.h, config/clipper/x-clix,
210 config/i386/xm-sysv4.h, config/i860/x-fx2800,
211 config/i860/x-sysv3, config/m88k/x-sysv3,
212 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
213 (contained only alloca related hacks).
215 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
218 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
220 * invoke.texi: Document __FAST_MATH__.
222 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
224 * crtstuff.c: Restore include of auto-host.h.
226 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
228 Put main() in a separate file, so that the language
229 front-end can use a different main().
232 * toplev.c: (main): Rename as toplev_main.
233 * toplev.h: Declare toplev_main.
234 * Makefile.in (OBJS): add toplev.o.
235 (BACKEND): remove toplev.o, add main.o.
237 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
239 * cppfiles.c (search_from): Special case the empty string.
241 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
243 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
244 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
245 strlen or strcpy; we already know the length.
246 (_cpp_compare_file_date): Similarly.
247 * cpphash.h (struct cpp_reader): Delete done_initialising.
248 (CPP_PREV_BUFFER): Delete.
249 * cppinit.c (cpp_start_read): Don't set done_initialising.
250 * cpplex.c (parse_string): Guarantee null-termination.
251 (_cpp_equiv_toklists): Remove.
252 * cpplib.c (glue_header_name): Null-terminate.
253 (do_line): Don't leak memory.
254 * cpplib.h (BT_WEAK): Delete.
255 * cppmain.c (cb_ident): Strings are now null-terminated.
257 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
259 * gcc.c (convert_filename): Append executable suffix
260 if NO_AUTO_EXE_SUFFIX is not defined.
261 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
262 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
264 2001-03-03 David O'Brien <obrien@FreeBSD.org>
266 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
267 * c-parse.gperf, c-gperf.h: Delete.
268 (c-gperf.h was accidently re-added to the CVS repo in the rev
269 1.16 commit by tromey)
271 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
273 * cpplex.c (_cpp_lex_token): Don't warn about directives in
274 macro arguments when looking for the '('.
275 * cppmacro.c (funlike_invocation_p): Set parsing_args to
276 2 when really parsing arguments; 1 when looking for '('.
277 Always restore the lexer position.
279 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
281 * longlong.h (umul_ppmm): Don't use a multiline string.
283 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
285 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
286 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
287 t_bool in declaration because pcc can't combine volatile with typedef
290 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
292 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
293 until when it is really needed.
294 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
295 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
296 * i386.md (float?i?f splitter): Don't force source operand to memory
298 (sse_movdfcc): Fix constraint.
299 (sse_movdfcc splitter): Handle properly the second alternative.
301 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
303 * cpplex.c (parse_string): Unconditionally pedwarn.
305 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
308 * cppexp.c (parse_number): Update.
309 * cpplex.c (parse_string): Pedwarn if multiline string does not
310 result from a system header's macro.
311 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
312 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
313 for function-like macros too.
314 * c-lex.c (lex_number): Update.
316 2001-03-03 Richard Henderson <rth@redhat.com>
318 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
320 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
322 * combine.c (try_combine): If split with mode-changed scratch
323 register didn't work, try the original mode.
325 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
327 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
328 * config/c4x/c4x.h: Likewise.
329 * stor-layout.c (compute_record_mode): Likewise.
330 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
332 2001-03-02 Zack Weinberg <zackw@stanford.edu>
334 * configure.in: Kill tm.h. Include the files in the $tm_file
335 list in all three of config.h, hconfig.h, tconfig.h, after the
336 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
337 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
338 * configure: Regenerate.
339 * Makefile.in (clean): Don't delete tm.h.
341 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
342 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
343 those are not defined, set SEC and FEC to 0 and 1.
344 * gcc.texi: Update to match.
346 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
347 * config/fp-bit.c, config/m68k/aux-crt2.asm,
348 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
349 Include tconfig.h, not tm.h.
351 * config/xm-lynx.h, config/xm-std32.h,
352 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
353 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
354 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
355 config/clipper/xm-clix.h, config/convex/xm-convex.h,
356 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
357 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
358 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
359 config/i386/xm-i386.h, config/i860/xm-i860.h,
360 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
361 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
362 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
363 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
364 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
365 config/pa/xm-linux.h, config/pa/xm-pa.h,
366 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
367 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
368 config/pj/xm-pj.h, config/romp/xm-romp.h,
369 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
370 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
371 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
372 config/v850/xm-v850.h, config/vax/xm-vax.h,
373 config/we32k/xm-we32k.h:
375 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
377 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
378 config/i370/xm-oe.h: Don't include tm.h. Don't define
380 * config/vax/xm-vms.h: Don't include tm.h.
382 * config/xm-lynx.h, config/avr/xm-avr.h,
383 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
384 Delete; made empty by above changes.
385 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
386 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
387 Don't include config/xm-lynx.h or tm.h.
389 * config/xm-gnu.h: Don't include fcntl.h.
390 * config/sparc/xm-lynx.h: Don't include sys/types.h and
392 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
394 2001-03-02 Richard Henderson <rth@redhat.com>
396 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
397 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
399 2001-03-02 Richard Henderson <rth@redhat.com>
401 * Makefile.in (OBJS): Add dwarf2asm.o.
402 * dwarf2asm.c, dwarf2asm.h: New files.
403 * dwarf2out.c (*): Use them.
404 (size_of_uleb128, size_of_sleb128): Remove.
405 (output_uleb128, output_sleb128): Remove.
406 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
407 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
408 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
409 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
410 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
411 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
412 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
413 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
414 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
415 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
416 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
417 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
418 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
419 (dwarf2out_frame_debug): Remove unused variables.
420 (output_loc_operands): Don't abort on 8 byte constants if
421 host integers are wide enough.
422 (output_symbolic_ref): Remove.
423 (size_of_die): Don't assume 4 byte host integers.
424 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
426 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
427 something stupid with HOST_WIDE_INT to long truncation.
428 [CONST_DOUBLE]: Likewise.
430 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
431 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
432 * config/arm/unknown-elf.h: Likewise.
433 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
434 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
435 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
436 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
437 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
438 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
439 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
440 (ASM_OUTPUT_DWARF_OFFSET): Remove.
441 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
442 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
443 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
444 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
446 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
448 * cselib.c (hash_rtx): Cast enums to unsigned int.
450 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
452 * print-rtl.c (print_rtx): Cast enums to int for comparison.
453 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
455 * c-format.c (C_STD_VER): Cast to int for comparisons.
456 (check_function_format): Cast various enums to int for &.
457 (maybe_read_dollar_number): Likewise.
458 (check_format_info): Likewise.
459 (check_format_info_main): Likewise.
460 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
461 (safe_from_p): Likewise.
462 * varasm.c (const_hash): Cast enum to int for %.
463 * emit-rtl.c (init_emit_once): Use int loop variable to work around
464 pcc enum problems with < and ++ operators.
465 * regclass.c (init_reg_sets_1): Cast enums for comparison.
466 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
467 (regclass_init): Change enum class to int to iterate over reg_classes.
468 * genrecog.c (merge_trees): Cast enums for comparison.
469 * rtl.h (GET_CODE): Cast to enum rtx_code.
470 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
471 (GET_MODE): Cast to enum machine_mode.
472 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
473 (GET_NOTE_INSN_NAME): Cast enum to int.
474 * tree.h (TREE_CODE): Cast to enum tree_code.
475 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
476 * timevar.c (timevar_print): Change loop variable id from enum to
478 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
479 * config/i386/i386.md: Use PUT_MODE for mode assignment.
480 * toplev.c (compile_file): Cast enum DFI to int.
481 (decode_d_option): Likewise.
483 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
485 * cppinit.c (append_include_chain): Mark "after" include file name list
486 as a system directory.
487 * cpp.texi: Document new behavior.
489 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
491 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
493 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
495 * cppfiles.c (struct include_file): Update.
496 (stack_include_file): Use search_from.
497 (cpp_included, find_include_file): Update.
498 (cpp_execute_include): Update. ptr->name may not be
499 null terminated. Use the new search_from member variable
501 (_cpp_compare_file_date): Similarly.
502 (search_from): New function, similiar to actual_directory.
503 (actual_directory): Delete.
504 (remap_filename): Update. loc->name may not be null terminated.
505 (struct file_name_list): Rename search_path. Update.
506 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
508 (struct cpp_reader): Remove actual_dirs.
509 * cppinit.c (struct cpp_pending): Update for renamed objects.
510 (append_include_chain, remove_dup_dir, remove_dup_dirs,
511 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
512 * cpplib.h (struct cpp_options): Similarly.
514 2001-03-01 Zack Weinberg <zackw@stanford.edu>
516 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
517 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
518 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
519 config/clipper/xm-clix.h, config/convex/xm-convex.h,
520 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
521 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
522 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
523 config/i370/xm-linux.h, config/i370/xm-mvs.h,
524 config/i370/xm-oe.h, config/i386/xm-aix.h,
525 config/i386/xm-i386.h, config/i386/xm-osf.h,
526 config/i860/xm-i860.h, config/i960/xm-i960.h,
527 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
528 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
529 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
530 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
531 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
532 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
533 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
534 config/pj/xm-pj.h, config/romp/xm-romp.h,
535 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
536 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
537 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
538 config/v850/xm-v850.h, config/vax/xm-vax.h,
539 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
540 Do not define TRUE or FALSE.
542 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
543 empty by above change.
544 * config.gcc: Remove references to these files.
546 * configure.in: Detect stdbool.h.
547 * configure, config.in: Regenerate.
548 * system.h: Include stddef.h here if available.
549 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
550 Then set up a sensible boolean type at the very end.
552 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
553 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
555 * hash.h: Delete 'boolean' typedef and related #undefs.
557 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
558 all uses of 'boolean' with 'bool'.
560 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
562 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
563 * cppexp.c (lex): Cast enums for comparison.
564 * cppinit.c (parse_option): Cast enum for comparison.
565 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
566 (cpp_output_token): Likewise.
567 (cpp_can_paste): Cast enums for comparsion and plus/minus.
568 (cpp_avoid_paste): Cast enums for minus and comparison.
570 2001-03-01 Zack Weinberg <zackw@stanford.edu>
572 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
573 field to all array elements.
575 2001-03-01 Zack Weinberg <zackw@stanford.edu>
577 * cpphash.h (struct cpp_reader): Add print_version field.
578 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
579 just set print_version and other flags as appropriate.
580 (cpp_post_options): Print version here if print_version is set.
582 * toplev.c (exit_after_options): New flag.
583 (independent_decode_option): Don't exit here; just set
585 (main): Exit after calling lang_hooks.post_options if
586 exit_after_options is true.
588 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
589 (merge_include_chains): Adjust comment to match code.
591 2001-03-01 Zack Weinberg <zackw@stanford.edu>
593 * stringpool.c (set_identifier): New function.
594 * tree.h: Prototype it.
596 * c-parse.in: Kill D_YES. If compiled for objc, call
597 save_and_forget_protocol_qualifiers from init_reswords.
598 * objc/objc-act.c (remember_protocol_qualifiers,
599 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
600 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
602 (save_and_forget_protocol_qualifiers): New function.
603 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
605 2001-03-01 Diego Novillo <dnovillo@redhat.com>
607 * c-semantics.c (prune_unused_decls): Return error_mark_node
608 instead of (tree) 1 to stop traversing the tree chain.
610 2001-03-01 Bernd Schmidt <bernds@redhat.com>
612 Fix a problem introduced by Kenner's Feb 18 change.
613 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
614 flag_cse_skip_blocks only temporarily, not for ever.
616 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
618 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
619 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
621 * pa.c (emit_move_sequence): Verify operand0 is a hard register
622 before determining its register class.
624 2001-03-01 Bernd Schmidt <bernds@redhat.com>
626 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
627 from reg 4 if current_function_calls_setjmp.
628 (gen_nop_type): New function.
629 (ia64_emit_nops): New function.
630 (ia64_reorg): Call it.
631 (ia64_sched_reorder): Move code that rotates bundles up a bit.
633 * reload1.c (eliminate_regs_in_insn): Restrict the special case
634 code not to try to optimize adds with anything but a REG destination.
636 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
637 (INSN_PRIORITY_KNOWN): New accessor macro.
638 * haifa-sched.c (priority): Use it instead of testing priority against
641 2001-02-28 DJ Delorie <dj@redhat.com>
643 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
644 since that doesn't work the way gcc wants on a generic m68k.
646 2001-02-28 Richard Henderson <rth@redhat.com>
648 * caller-save.c (save_call_clobbered_regs): Fix typo in
649 comparison last change.
651 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
653 * i386.c (pentium4_cost): New.
654 (m_PENT4): New macro.
655 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
656 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
657 x86_integer_DFmode_moves, x86_partial_reg_dependency,
658 x86_memory_mismatch_stall): Add Pentium4
659 (x86_use_q_reg, x86_use_any_reg): Kill.
660 (override_options): Add pentium4.
661 (incdec_operand): Return 0 for pentium4.
662 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
663 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
664 (TARGET_PENTIUM4): Define.
665 (enum processor_type): Add PROCESSOR_PENTIUM4.
666 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
667 * i386.md (attribute "cpu"): Add pentium4.
668 * invoke.texi (march): Add pentium4.
670 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
672 * i386.md (sse_mov?fcc*): New patterns and splitters.
673 * i386.c (ix86_expand_movcc): Work post-reload; recognize
674 the SSE based conditional moves.
676 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
678 * i386.md (attribute mode): Add "TI".
679 (movsf_1): Add pxor support; remove constant propagation splitter.
680 (movdf_integer): Likewise.
681 (movdf_nointeger): Likewise.
682 (movxf constant prop splitter): Handle all modes; update for SSE.
683 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
684 * i386.c (standard_80387_constant_p): Rewrite.
685 (standard_sse_constant_p): New.
686 * i386-protos.h (standard_sse_constant_p): New.
688 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
690 * i386.md (sse_setccsf, sse_setccdf): New.
691 (sse_cmp* patterns): Use '%D' instead of outputtting condition
693 * i386.c (sse_comparison_operator): Accept the supported unordered
694 comparses; be ready for fast_math.
695 (print_operand): Support 'D'.
697 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
699 * jump.c (reversed_comparison_code): Kill.
701 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
703 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
706 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
708 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
709 add missing '%' in constraints.
711 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
713 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
714 for HOST_BITS_PER_WIDE_INT == 32 too.
716 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
718 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
720 (insert_save, insert_restore): New parameter save_mode.
721 (init_caller_save): Update initialization of reg_save_code
722 and reg_restore_code.
723 (save_call_clobbered_regs): Compute save_modes and update calls to
724 reg_save_code and reg_restore_code.
725 (insert_restore): Unsignetize numbers; use save_modes to choose mode
726 of spill; update use of reg_restore_code.
727 (insert_save): Likewise.
728 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
729 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
730 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
732 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
734 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
735 noce_try_store_flag_inc, noce_try_store_flag_mask,
736 noce_try_cmove_arith):
737 Use reversed_comparison_code instead of reverse_comparison and
738 can_reverse_comparison_p.
740 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
742 * jump.c (reversed_comparison_code_parts): Allow reversal of
743 unordered compares in -ffast-math mode; reverse ordered compares
744 for FP even w/o -ffast-math.
746 2001-02-27 Richard Henderson <rth@redhat.com>
748 * print-rtl.c (print_rtx) [i]: Don't print field five on
749 NOTEs other than NOTE_INSN_DELETED_LABEL.
751 2001-02-27 Zack Weinberg <zackw@stanford.edu>
753 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
754 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
756 2001-02-27 Diego Novillo <dnovillo@redhat.com>
758 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
759 even if walk_subtrees is 0.
760 * c-semantics.c (prune_unused_decls): Return a non-null value to
761 stop traversing the tree chain.
763 2001-02-27 DJ Delorie <dj@redhat.com>
765 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
766 register, *then* define it as the new CFA.
768 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
770 * pa.c (override_options): Promote -fpic to -fPIC.
771 (legitimize_pic_address): Simplify due to removal of
772 small PIC as a code generation option.
773 (secondary_reload_class): Similarly.
774 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
775 (PRINT_OPERAND_ADDRESS): Similarly.
776 * pa.md (various patterns): Similarly.
777 (small pic lo_sum pattern): Remove.
779 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
782 * md.texi (min, max): Document
784 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
786 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
787 TARGET_PARTIAL_REG_DEPENDENCY.
788 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
790 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
792 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
794 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
796 * mips.c (mips_make_temp_file): Fix thinko in last change.
798 2001-02-26 Jason Eckhardt <jle@redhat.com>
800 * combine.c (known_cond): Do not reverse the condition when
801 SMAX/UMAX is being considered and the condition is for equality
804 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
806 2001-02-26 Philip Blundell <philb@gnu.org>
808 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
810 * config/arm/linux-elf.h: Remove historical relics related to
811 above configurations.
812 * config/arm/linux-oldld.h: Delete.
813 * config/arm/linux-elf26.h: Delete.
815 2001-02-26 Jason Merrill <jason@redhat.com>
817 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
819 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
820 recognize a tentative definition. Lose obsolete code.
822 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
823 variables unless necessary, either.
825 2001-02-25 Richard Henderson <rth@redhat.com>
827 * ifcvt.c (struct noce_if_info): Add test_bb.
828 (noce_get_alt_condition): New.
829 (noce_try_minmax, noce_try_abs): New.
830 (noce_operand_ok): New.
831 (noce_process_if_block): Use them.
832 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
834 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
836 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
839 2001-02-25 Zack Weinberg <zackw@stanford.edu>
841 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
842 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
844 (mips_asm_file_end): Free temp_filename here.
846 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
848 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
849 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
851 * config/i386/i386.md (movstrsi): Handle FAIL case.
853 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
855 * cppinit.c (builtin_array): Update.
856 (init_builtins): Flag builtins to warn if redefined or
857 undefined. Define __GXX_WEAK as a normal macro.
858 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
859 * cpplib.h (NODE_WARN): New flag.
860 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
861 Handle __STDC__ as a builtin only on Solaris.
862 (warn_of_redefinition): Renamed from check_macro_definition.
863 Reverse sense of test. Always warn if NODE_WARN.
864 (_cpp_create_definition): Use warn_of_redefinition. Flag
865 any macro beginning with "__STDC_" to require a mandatory
866 warning if redefined or undefined.
868 2001-02-24 Zack Weinberg <zackw@stanford.edu>
870 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
871 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
872 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
873 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
874 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
875 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
877 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
878 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
879 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
880 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
881 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
883 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
884 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
887 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
888 Delete now-empty file.
890 * alpha/vms.h: Define NEED_ATEXIT here...
891 * alpha/xm-vms.h: ...not here.
893 * i386/cygwin.h: Don't define PARAMS.
894 * mips/mips.c: Don't prototype mktemp. Don't define
895 P_tmpdir. Use make_temp_file to create temporary files.
896 Don't be clever and delete temporary files early.
897 * config.gcc: Drop references to deleted files. Don't define
899 * gcc.texi: Don't mention USE_PROTOTYPES.
901 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
903 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
904 (ix86_set_move_mem_attrs_1): Likewise.
905 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
906 * config/i386/i386.md (movstrsi): Call it.
908 2001-02-24 Zack Weinberg <zackw@stanford.edu>
910 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
911 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
912 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
913 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
915 (i750a-*-*): Error here if hosting on i750a.
916 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
918 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
919 Remove (empty modulo comments).
921 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
922 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
923 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
924 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
925 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
926 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
928 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
929 Remove reference to winnt.h in comment.
930 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
932 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
934 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
935 used to set another biv.
937 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
939 * tree.h (BLOCK_DEAD): New macro.
940 (struct tree_block): New flag, dead_flag.
941 * print-tree.c (print_node, case 'b'): Print missing fields.
942 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
943 * function.c (identify_blocks): Enable test for misplaced notes.
944 (all_blocks): Skip BLOCK_DEAD blocks.
945 * integrate.c (integrate_decl_tree): Likewise.
947 * errors.c (internal_error, trim_filename): New functions.
948 (fancy_abort): Call internal_error.
949 * errors.h (internal_error, trim_filename): New declarations.
951 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
953 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
955 (EXTRA_CONSTRAINT): Formatting changes.
957 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
959 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
961 2001-02-23 Per Bothner <per@bothner.com>
963 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
964 so they can be called from java/jvspec.c.
965 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
967 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
969 * i386.c (ix86_frame): New structure.
970 (ix86_compute_frame_size): Kill.
971 (ix86_compute_frame_layout): New.
972 (ix86_save_reg): New.
973 (ix86_can_use_return_insn_p): Use frame layout stuff.
974 (ix86_expand_prologue): Likewise.
975 (ix86_expand_epilogue): Likewise.
976 (ix86_initial_elimination_offset): Likewise.
977 (ix86_nsaved_regs): Use ix86_save_reg.
978 (ix86_emit_save_regs): Likewise.
980 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
982 * flow.c (find_sub_basic_blocks): New function.
983 (split_block): Be ready for basic block introduced by CODE_LABEL.
984 (commit_one_edge_insertion): Call find_sub_basic_block.
986 * flow.c (make_edges): Add edge from entry for blocks starting with
987 label having ALTERNATE_NAME
989 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
991 * function.c (epilogue_done): Be ready for first basic block not
992 containing PROLOGUE_END note.
993 (reposition_prologue_and_epilogue_notes): Avoid placing
994 PROLOGUE_END note between BASIC_BLOCK.
996 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
998 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1000 2001-02-21 DJ Delorie <dj@redhat.com>
1002 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1003 check for current_function_has_nonlocal_goto from 1999-11-12.
1005 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1007 * diagnostic.c (trim_filename): No longer static.
1008 * toplev.h (trim_filename): Declare.
1009 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1010 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1011 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1012 (rtvec_check_failed_bounds): Likewise.
1013 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1015 * convert.c (convert_to_integer): Don't do unsigned unless result or
1016 both inputs are unsigned.
1018 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1021 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1023 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1025 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1027 * Makefile.in (resource.o): Add params.h dependence.
1028 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1029 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1030 * resource.c: Add dependence on params.h.
1031 (current_live_regs): Fix explanatory comment.
1032 (find_basic_block): Add new parameter to permit limiting search
1034 (mark_target_live_regs): Add new argument to find_basic_block call.
1035 (incr_ticks_for_insn): Likewise.
1037 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1039 * diagnostic.c (output_to_stream): Rename to
1040 output_buffer_to_stream. Loses the stream parameter.
1041 (init_output_buffer): Set diagnosic_buffer's stream.
1042 (flush_diagnostic_buffer): Adjust.
1043 (default_print_error_function): Likewise.
1044 (finish_diagnostic): Likewise.
1045 (verbatim): Likewise.
1047 * diagnostic.h (struct output_buffer): Add `stream' field.
1048 (output_buffer_attached_stream): New macro.
1050 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1052 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1053 check if either operand is divisible by C.
1054 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1055 If type is signed, consider negative numbers as well.
1057 2001-02-22 Richard Henderson <rth@redhat.com>
1059 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1060 reach .text instead of gp-relative relocs.
1061 * config/ia64/crtend.asm (.init): Likewise.
1063 2001-02-22 Andreas Jaeger <aj@suse.de>
1065 * extend.texi (C++ Attributes): Fix typo.
1067 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1069 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1070 functions, drop current_function_args_info.words test.
1071 (ia64_compute_frame_size): Mark syscall_linkage functions as
1072 using eight input registers.
1074 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1075 Bruce Korb <bkorb@gnu.org>
1077 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1078 * fixinc/README: Document how to convert sed substitutions
1079 to format style c_fix-es.
1080 * fixinc/fixincl.x: regen
1082 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1084 * gcc.c: Add comment explaining how to add a command-line option.
1085 Add title to specs language comment.
1087 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1089 * gcc.c (cc1_options): Add "-param".
1090 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1091 (option_map): Likewise.
1092 * toplev.c (display_help): Add entry for "--param".
1093 (independent_decode_option): Fix typographical error.
1095 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1096 Bernd Schmidt <bernds@redhat.com>
1097 Jan Hubicka <jh@suse.cz>
1099 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1100 (function_arg): Likewise.
1102 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1104 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1106 2001-02-21 Kazu Hirata <kazu@hxi.com>
1108 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1112 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1114 * flow.c (init_propagate_block_info): Canon address and use single_set
1115 for killing dead memory stores.
1117 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1119 * Makefile.in (reorg.o): Add params.h dependence.
1120 * params.def: Fix typographical error in comment.
1121 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1122 * params.h: Modify introductory comment.
1123 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1124 * reorg.c: Add dependence on params.h.
1125 (redundant_insn): Add parameterized throttle for search.
1126 (fill_simple_delay_slots): Add a comment explaining a variable.
1127 Move conditional out of loop, simplifying code.
1128 (fill_eager_delay_slots): Fix typographical error in comment.
1130 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1132 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1134 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1135 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1137 2001-02-21 Jason Merrill <jason@redhat.com>
1139 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1140 (struct tree_decl): Add uninlinable bitfield.
1141 * c-decl.c (duplicate_decls): Set it.
1142 * integrate.c (function_cannot_inline_p): Check it.
1144 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1145 DW_AT_MIPS_linkage_name to abstract methods.
1146 (dwarf2out_abstract_function): Emit class context before calling
1147 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1148 (gen_subprogram_die): Remove obsolete code.
1149 (gen_member_die): Don't include clones in the member list.
1150 (gen_decl_die): Emit abstract info for clone origin.
1151 * dwarfout.c (output_type): Don't include clones in the member list.
1152 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1153 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1154 DECL_ABSTRACT on a function that already has it set.
1156 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1157 (get_subprogram_die): Pass it in.
1159 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1161 * flow.c (mark_set_1): Make not_dead unsigned long. For
1162 non-pseudos, use it as a bitmask of the hard regs that
1165 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1167 * cppfiles.c: Update comments.
1168 (_cpp_read_file): Don't check for NULL filenames any more.
1169 * cppinit.c (cpp_start_read): Don't do canonicalization of
1170 in_fname and out_fname. Use the passed file name exclusively.
1171 (_cpp_handle_options): Don't treat "-" as a command line option,
1172 but as a normal filename.
1173 (_cpp_post_options): Canonicalize in_fname and out_fname.
1174 * cppmain.c (printer_init): Don't check out_fname for NULL.
1175 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1176 (init_c_lex): Update, and use "" to represent stdin to CPP.
1179 2001-02-20 Will Cohen <wcohen@redhat.com>
1181 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1182 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1183 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1186 2001-02-20 Stan Shebs <shebs@apple.com>
1188 * config/rs6000/rs6000.c (output_cbranch): Output branches
1189 on separate lines instead of using ';' to separate.
1191 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1193 * cppinit.c (set_lang): Move builtin handling to...
1194 (init_builtins): ...here.
1195 (_cpp_create_reader): Move call to set_lang.
1197 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1199 * stmt.c (expand_return): If an attempt is made to return the
1200 error_mar_node, treat the return like a return without a value.
1202 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1204 * sibcall.c (skip_copy_to_return_value): Call
1205 identify_call_return_value here, and return orig_insn if it
1206 returns zero. Hardret and softret arguments now unnecessary.
1207 (call_ends_block_p): Don't call identify_call_return_value here.
1209 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1211 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1212 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1214 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1216 * pa.c (move_operand): Accept code to load the address of a
1217 symbol out of the DLT as a valid move operand.
1218 (print_operand, case 'A'): New to handle generating a DLT
1219 reference for a LO_SUM expression.
1220 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1221 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1223 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1225 * README, cpp.texi, gcc.texi, version.c: Update version number to
1227 * cpp.1, gcov.1, gcc.1: Regenerate.
1229 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1231 * cppfiles.c (stack_include_file): Generate dependencies
1232 here, and manage include_count here too.
1233 (PRINT_THIS_DEP): Delete.
1234 (_cpp_execute_include): Do not generate dependencies here,
1235 apart from the case of a missing header. Do not manage
1237 (_cpp_read_file): Leave dependency generation to
1240 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1242 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1243 target_cpu_default. Remove dead assignment to
1246 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1248 * regclass.c (contains_reg_of_mode): Make global.
1249 (init_reg_sets): Remove contains_reg_of_mode; take into account
1250 CLASS_MAX_NREGS when looking for the proper mode.
1251 (dump_regclass): Dump only classes considered for the pseudo.
1252 (regclass): Use contains_reg_of_mode.
1254 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1256 * gcc.c (do_spec_1): 'n' for printing notices.
1257 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1259 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1261 * reg-stack.c (next_flags_user): Use current_block->end
1262 (swap_rtx_condition): Look for next user if flags don't die;
1263 give up on CALL_INSNs; use current_block->end.
1265 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1267 * sibcall.c (call_ends_block_p): New function.
1268 (optimize_sibling_and_tail_recursive_call): Use it.
1270 2001-02-18 Kazu Hirata <kazu@hxi.com>
1272 * config/h8300/h8300.md: Update copyright.
1273 (andsi3): Do not output an extra newline character.
1275 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1277 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1278 FNDECL may be unused.
1280 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1281 follow jumps after first run.
1282 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1283 it doesn't change any jumps.
1285 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1287 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1288 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1289 (mostlyclean): Corresponding changes.
1290 * rtlanal.c (hard-reg-set.h): Include.
1291 (rtx_unstable_p): Do not treat the argument pointer specially
1292 if it is not a fixed register.
1293 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1295 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1297 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1298 against last real insn in basic block.
1299 Rework to avoid gotos.
1301 * Makefile.in (gcse.o): Now includes ggc.h.
1302 * gcse.c: Include ggc.h.
1303 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1304 (try_replace_reg): Remove warning of uninitialize variable.
1305 (process_insert_insn): Call invalid_insn_p to validate insn.
1306 * recog.c (insn_invalid_p): Now global.
1307 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1308 * recog.h (insn_invalid_p): New declaration.
1310 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1312 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1313 assignments from FP constants since 'Y' output code can't handle it.
1314 (eligible_for_sibcall_delay): Likewise.
1316 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1317 Call fancy_abort directly, passing args.
1318 (print_rtl_and_abort): Now a macro, like fancy_abort.
1320 * final.c (output_operand_lossage): Use internal_error, not error.
1322 2001-02-18 Shane Nay <shane@agendacomputing.com>
1324 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1325 structure shift insns.
1327 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1329 * invoke.texi (-fsquangle): Remove documentation.
1330 (-fname-mangling-version): Likewise.
1332 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1334 * optabs.c (expand_abs): Remove reference to
1335 HAVE_contitional_arithmetic.
1336 * combine.c (simplify_set): Likewise.
1338 2001-02-18 Richard Henderson <rth@redhat.com>
1340 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1343 2001-02-18 Richard Henderson <rth@redhat.com>
1345 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1347 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1349 * reload1.c (reload_cse_simplify_set): Fix typo.
1351 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1353 * diagnostic.c (_fatal_insn): Decrement errorcount.
1355 * invoke.texi (-I): Add note avoiding use for system header files.
1357 * rtl.h (add_clobbers): Remove duplicate declaration.
1358 * recog.h (added_clobbers_hard_reg_p): New declaration.
1359 * genemit.c (struct clobber_pat): New field has_hard_reg.
1360 (gen_insn): Record if added clobbers clobber hard reg.
1361 (gen_split): Avoid unused warning if number of operands is 0.
1362 (output_added_clobbers_hard_reg_p): New function.
1365 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1367 * pa.c (hppa_expand_prologue): Simplify code storing return
1368 pointer. For large (>=8k) frames with a post_store, adjust stack
1369 pointer by 8k-64 first rather than by 64. When testing with
1370 VAL_14_BITS_P, always use the actual value rather than the value
1371 negated. Add blockage to prevent scheduling of spills before
1372 stack frame has been created.
1373 (hppa_expand_epilogue): Simplify code loading return pointer.
1374 Allow a slightly larger range for merge_sp_adjust_with_load case.
1375 When testing with VAL_14_BITS_P, always use the actual value.
1377 * pa.c (pa_adjust_insn_length): Check that block move
1378 pattern is a set before looking at operands.
1380 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1382 * fold-const.c (fold_binary_op_with_conditional_arg): New
1383 function, split out from ...
1385 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1386 conditional arms that throw exceptions.
1388 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1391 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1393 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1394 define HAVE_DECL_* to 1 to mask potential backup declarations.
1395 * configure: Regenerated.
1397 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1399 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1401 2001-02-17 Richard Henderson <rth@redhat.com>
1403 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1404 when replacing a memory load with a register.
1406 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1407 Jan Hubicka <jh@suse.cz>
1409 * recog.c (validate_replace_src_1): New.
1410 (validate_replace_src_data): Likewise.
1411 (validate_replace_src): Use note_uses.
1412 * rtl.h (note_uses): Declare.
1413 * rtlanal.c (note_uses): New.
1415 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1417 * reg-stack.c (stack_def): Make field reg unsigned.
1418 (remove_regno_note): Unsignetize parameter.
1420 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1422 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1423 shladd_operand() call.
1425 2001-02-16 Bruce Korb <bkorb@gnu.org>
1426 Rodney Brown <RodneyBrown@mynd.com>
1428 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1429 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1430 machine restrictions
1431 * fixinc/fixincl.x: regen
1433 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1435 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1437 (hash_scan_insn): Clean up calls to hash_scan_set.
1438 (compute_kill_rd): REGNO now unsigned.
1439 (try_replace_reg): Rework to use simplify_replace_rtx.
1440 (cprop_jump, cprop_cc0_jump): Likewise.
1441 (cprop_insn): Call find_reg_equal_equiv_note.
1442 Reflect changes to cprop_jump and cprop_cc0_jump.
1444 * recog.c (validate_replace_src): Replace in operands of
1445 ZERO_EXTRACT in SET_DEST.
1447 * cse.c (new_label_ref): New variable.
1448 (insert): Set it instead of recorded_label_ref.
1449 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1450 CODE_LABEL for this function, and not already in REG_LABEL note.
1452 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1454 * resource.c (mark_referenced_resources): Fix typo in introductory
1456 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1459 2001-02-16 Jason Merrill <jason@redhat.com>
1461 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1463 (gen_subprogram_die): Don't abort on seeing a second definition if
1464 the previous one was abstract. Don't replace an abstract instance
1465 in the lookup table.
1467 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1468 gen_abstract_function.
1469 * dwarf2out.h: Declare it.
1470 * toplev.c (note_outlining_of_inline_function): New fn.
1471 * toplev.h: Declare it.
1472 * integrate.c (output_inline_function): Call it.
1473 * c-decl.c (duplicate_decls): Call it when redefining an extern
1474 inline. Don't inline the new defn.
1476 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1478 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1480 * .gdbinit: Rename to gdbinit.in.
1481 * gdbinit.in: New file,
1482 * configure.in: Generate .gdbinit from gdbinit.in.
1483 * configure: Regenerated.
1484 * Makefile.in (distclean): Always remove .gdbinit.
1486 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1488 * objc/objc-act.c (start_class): Register implemented_classes with
1491 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1493 * cppfiles.c (_cpp_make_system_header): Generate a file
1496 2001-02-15 Jim Meyering <meyering@lucent.com>
1498 * Makefile.in (install-common): Don't depend on installdirs here.
1499 Instead, make each of the lang.install-common targets (e.g.,
1500 c++.install-common in cp/Make-lang.in) depend on it.
1501 (install-driver): Depend on installdirs.
1503 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1505 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1507 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1510 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1512 * invoke.texi (--param): Document.
1514 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1516 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1518 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1520 * i386.md (extendsfdf2_2): Fix constraints.
1522 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1524 * i386.md (fop_df_3 splitter): Fix operand number.
1526 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1528 * invoke.texi (-mreg-alloc): Nuke.
1529 * i386.c (ix86_reg_alloc_order, regs_allocated,
1530 order_regs_for_local_alloc): Nuke.
1531 (override_options): Kill reg_alloc code.
1532 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1533 (REG_ALLOC_ORDER): SSE goes before I387.
1534 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1535 (ix86_reg_alloc_order): Likewise.
1536 * i386-protos.h (ix86_reg_alloc_order): Kill.
1538 2001-02-14 Richard Henderson <rth@redhat.com>
1540 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1542 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1544 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1546 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1548 * i386-protos.h (ix86_memory_move_cost): Move offline.
1549 * i386.c (ix86_register_move_cost): Compute properly cost of
1550 SSE, MMX and i387 instructions.
1551 (*_cost): Add costs of SSE/MMX moves.
1552 (ix86_memory_move_cost): Move offline from ....; Likewise.
1553 * i386.h (MEMORY_MOVE_COST): .... here;
1554 (struct processor costs): Add new fields to represent costs
1557 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1559 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1560 move_cost together with Matt Kraai's fix.
1562 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1564 * Makefile.in (OBJS): Add params.o.
1566 2001-02-14 Richard Henderson <rth@redhat.com>
1567 DJ Delorie <dj@redhat.com>
1569 * jump.c (jump_optimize_1): When we delete a conditional jump
1570 preceeding a non-conditional jump to effectively the same place,
1571 make sure that the combined jump skips any clobber insns between
1574 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1576 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1578 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1580 * Makefile.in (toplev.o): Depend on params.h.
1581 (intergate.o): Likewise.
1582 (params.o): New target.
1583 * flags.h (inline_max_insns): Remove.
1584 * integrate.c: Include params.h.
1585 Use MAX_INLINE_INSNS instead of inline_max_insns.
1586 * params.c: New file.
1587 * params.h: Likewise.
1588 * params.def: Likewise.
1589 * toplev.c: Include params.h.
1590 (lang_independent_params): New variable.
1591 (decode_f_option): Use the param machinery instead of setting
1593 (independent_decode_option): Handle "--param name=value".
1594 (main): Register language-independent parameters.
1596 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1598 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1600 2001-02-14 Richard Henderson <rth@redhat.com>
1602 * regclass.c (init_reg_sets_1): Revert last two changes.
1604 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1606 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1607 (variable_size): Call put_pending_size.
1608 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1609 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1610 sizes list, put newly created SAVE_EXPR there as well.
1612 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1614 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1615 (errata_find_address_regs): load_group has only 2 entries.
1616 (errata_emit_nops): Likewise. shladd is not problematic.
1617 Clear last_group if nop was emitted.
1618 (fixup_errata): load_group has only 2 entries.
1621 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1623 * c-lex.c (lex_number): Only warn traditionally for U suffix
1624 outside system macros.
1625 * cppexp.c (parse_number): Similarly.
1626 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1627 * cppmacro.c (struct cpp_macro): New member node.
1628 (parse_args): Only warn about missing rest args if not
1630 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1631 (cpp_sys_objmacro_p): New.
1632 (_cpp_create_definition): Store the node with the macro defn.
1633 Remember if the macro is defined in a system header.
1635 2001-02-13 DJ Delorie <dj@redhat.com>
1637 * configure.in (check_languages): determine languages to check
1638 * Makefile.in (check-c++): alias for check-g++
1639 (check-f77): alias for check-g77
1640 (CHECK_TARGETS): depend on configured languages
1642 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1644 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1645 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1646 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1647 (sqrtextendsfdf2): Disable for SSE2.
1649 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1651 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1652 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1653 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1654 (sqrtextendsfdf2): Disable for SSE2.
1656 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1658 * i386.md (movsfcc_1): Support integer cmove instruction.
1659 (movdfcc_1): Likewise; new splitter.
1661 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1663 * i386.c (output_fp_compare): Support SSE.
1664 (prepare_fp_compare_args): SSE comparisons always support memory.
1665 * i386.h (TARGET_CMOVE): SSE imply cmove.
1666 * i386.md (cmp?f2): Enable for SSE too.
1667 (cmpfp_i*): Support SSE.
1669 (cmpfp_i_sse_only): New.
1670 (s*, b* fp expanters): Enable for SSE too.
1671 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1674 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1676 * regclass.c (init_reg_sets_1): Silence warning.
1678 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1680 * i386.md (sqrt?f2): Change to expander.
1681 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1683 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1685 * rtlanal.c (find_reg_equal_equiv_note): New function.
1686 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1687 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1688 * rtl.h: Add declarations for above functions.
1690 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1692 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1694 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1695 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1696 * flow.c (mark_regs_live_at_end): Likewise.
1697 (calculate_global_regs_live): Likewise.
1698 * gcse.c (compute_hash_table): Likewise.
1699 (compute_kill_rd): Likewise.
1700 * resource.c (mark_target_live_regs): Likewise.
1701 * rtl.h (INVALID_REGNUM): New macro.
1703 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1705 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1707 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1709 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1712 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1714 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1716 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1717 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1718 (fop_sf_1_sse, fop_df_1_sse): New patterns
1719 (fop_*): Disable float_extend and float patterns for SSE compilation.
1720 * i386.c (output_387_binary_op): Support SSE.
1722 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1724 * i386.md (dummy_extendsfdf2): Support SSE2
1725 (extendsfdf2): Enable if 80387 or SSE2.
1726 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1727 and no MIX_I387_SSE2
1728 (extendsfdf2_1_sse_only): New pattern.
1729 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1731 (truncdfsf2_1): Support SSE.
1732 (truncdfsf2_2): Support SSE.
1733 (truncdfsf2_2_1_sse): New pattern.
1734 (fixtruncsfsi2): Always use SSE if available.
1735 (fix_truncsfsi_sse): New pattern.
1736 (fix_truncdfsi_sse): New pattern.
1737 (floatsis?f2): Support SSE.
1738 (floatsidf2_i387): New pattern.
1739 (floatsidf2_sse): Likewise.
1741 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1743 * configure.in: Use "have_gnat" variable, not "gnat".
1744 * configure: Regenerated.
1746 * config/sparc/sparc.c (function_value): Treat all non-record
1747 aggregate types like used to treat UNION_TYPE.
1749 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1751 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1752 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1754 (MASK_MIX_SSE_I387): New.
1755 (TARGET_SSE): SSE2 imply SSE.
1756 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1757 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1758 (enum reg_class): Add new classes.
1759 (REG_CLASS_NAMES): Likewise.
1760 (REG_CLASS_CONTENTS): Likewise.
1761 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1762 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1763 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1764 (CLASS_MAX_NREGS): Use new macros.
1765 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1766 * i386.md (pushsf, movsf): Support SSE.
1767 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1768 splitters to use ANY_FP_REGNO_P.
1769 (movdf_nointeger, movdf_integer): Likewise.
1771 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1773 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1774 (try_combine): Use it.
1776 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1778 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1779 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1780 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1781 (REGISTER_MOVE_COST): Likewise.
1782 * i386-protos.h (ix86_secondary_memory_needed,
1783 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1784 * i386.c (ix86_secondary_memory_needed,
1785 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1787 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1789 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1790 (HARD_REGNO_MODE_OK): Move offline to ....
1791 * i386.c (ix86_hard_regno_mode_ok) ... here;
1792 refuse all incorrect modes.
1793 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1795 2001-02-13 Richard Henderson <rth@redhat.com>
1797 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1798 entire operator; replicate that and match_dup the operands.
1799 (cmp_ccx_arith_op_set): Likewise.
1800 (cmp_cc_arith_op_not_set): Likewise.
1801 (cmp_ccx_arith_op_not_set): Likewise.
1803 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1805 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1807 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1809 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1810 (TARGET_NO_BITFIELD_WORD): New macro.
1811 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1812 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1814 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1816 * cselib.c: New file, from simplify-rtx.c.
1817 * simplify-rtx.c: Remove cselib parts.
1818 * Makefile.in: Add cselib.o.
1820 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1822 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1823 (setup_incoming_varargs): Remove warning.
1825 * config/rs6000/rs6000.c (validate_condition_mode): When
1826 flag_fast_math, allow floating-point conditionals to be reversed.
1827 (rs6000_generate_compare): When flag_fast_math, don't generate
1828 cror operations for FP conditionals.
1830 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1832 (ASM_SPEC): Likewise.
1833 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1834 (CC1_SPEC): Likewise.
1835 (LINK_TARGET_SPEC): Likewise.
1836 (CPP_ENDIAN_SPEC): Likewise.
1837 * Makefile.in (check-consistency): New target.
1839 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1841 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1842 "return type defaults" warning for functions with return type
1844 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1845 function declarations by default rather than only when pedantic.
1847 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1849 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1852 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1854 * extend.texi (Deprecated): Deprecate new initializer lists.
1856 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1858 * mkdeps.c (deps_add_default_target): Robustify. Add
1859 basename component only.
1860 * cpp.texi (-M): Describe how default target is generated.
1861 * invoke.texi (-M): Likewise.
1863 2001-02-12 Kazu Hirata <kazu@hxi.com>
1865 * toplev.c (push_float_handler): Remove.
1866 (pop_float_handler): Remove.
1867 * toplev.h: Remove prototypes for the above functions.
1869 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1871 * c-common.c (constant_fits_type_p): New function.
1872 (convert_and_check): Use it.
1874 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1876 * Makefile.in (GXX_ABI_FLAG): Don't define.
1877 * configure.in (--enable-new-gxx-abi): Remove option.
1878 * config.in: Regenerated.
1879 * configure: Likewise.
1881 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1883 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1885 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1886 regular basic block, and arrange for all edges into it to switch
1889 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1891 * Makefile.in (distclean): Do not remove .gdbinit.
1893 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1895 * Makefile.in (gcc.o): Fix typos.
1896 (protize.o): Likewise.
1897 (unprotoize.o): Likewise.
1899 2001-02-11 Richard Henderson <rth@redhat.com>
1901 * tree.c (build1): Check for null operand in last change.
1903 2001-02-11 Richard Henderson <rth@redhat.com>
1905 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1906 (fold): Don't assume a constant isn't foldable.
1907 * tree.c (build): Set TREE_CONSTANT for an expression with no
1908 side-effects and constant operands.
1911 2001-02-10 Richard Henderson <rth@redhat.com>
1913 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1915 2001-02-10 Anthony Green <green@redhat.com>
1917 * cpp.texi (Standard Predefined): Add documentation for
1920 * c-common.c (combine_strings): Improve warning message.
1922 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1924 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1926 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1928 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1930 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1933 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1935 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1938 2001-02-09 Nick Clifton <nickc@redhat.com>
1940 * config/arm/arm.md: Change output contraint on post inc
1941 load/store multiple patterns to be a read/write contraint.
1943 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1945 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1946 .o files when using the -M options.
1948 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1949 David Edelsohn <edelsohn@gnu.org>
1951 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1952 handle DImode constants. Use one TOC entry for SImode and smaller
1953 constants, aligned properly.
1955 2001-02-08 Jason Merrill <jason@redhat.com>
1957 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1958 about the SP adjustment for saving the static chain pointer.
1959 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1960 offset when setting a temporary CFA register.
1962 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1964 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1965 powerpc-*-chorusos* .
1966 * config/rs6000/chorus.h : New file.
1967 * config/i386/chorus.h : New file.
1968 * config/sparc/chorus.h : New file.
1969 * config/sparc/t-chorus-elf : New file.
1971 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1973 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1974 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1975 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1976 (__WCHAR_TYPE__): Correct macro name.
1978 2001-02-08 Richard Henderson <rth@redhat.com>
1980 * config/i386/i386.c (ix86_frame_pointer_required): New.
1981 (ix86_setup_frame_addresses): New.
1982 (struct machine_funciton): Add accesses_prev_frame.
1983 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1984 ix86_frame_pointer_required.
1985 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1986 (SETUP_FRAME_ADDRESSES): New.
1987 * config/i386/i386-protos.h: Update.
1988 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1989 from FRAME_POINTER_REQUIRED.
1990 * config/i386/svr3gas.h: Likewise.
1991 * config/i386/sysv3.h: Likewise.
1992 * config/i386/v3gas.h: Likewise.
1994 2001-02-08 Richard Henderson <rth@redhat.com>
1996 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1997 calculation of the number of integer registers required.
1998 (function_arg_record_value): Likewise.
2000 2001-02-08 Jason Merrill <jason@redhat.com>
2002 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2003 two. Print file and line with "confused" message.
2005 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2007 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2009 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2011 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2013 * final.c (cleanup_subreg_operands): The address of a MEM can
2016 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2019 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2021 * gcc.texi (Incompatibilities): Update documentation of
2022 preprocessing numbers.
2024 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2026 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2028 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2030 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2032 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2033 * gcc.c (struct compiler): Add cpp_spec field.
2034 (input_file_compiler): New variable.
2035 (do_spec_1): Allow a particular compiler to handle `%C'
2037 (main): Store the current compiler in input_file_compiler.
2038 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2040 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2042 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2043 * cppinit.c (cpp_create_reader): Initialize them.
2044 (append_include_chain): cxx_aware arg might be unused.
2045 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2046 keywords and give them their phase 7 meaning. Pedwarn about
2047 this unless '__bool_true_false_are_defined' is defined.
2049 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2051 * lcm.c (optimize_mode_switching): Emit mode_set before the
2052 JUMP_INSN of an abnormal edge.
2054 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2056 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2057 a scheduling barrier at the end.
2059 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2061 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2063 * config/sh/sh.md (reload_outsf): Removed.
2064 (movsf_ie): Introduce constraints for FPUL loads and stores.
2065 (reload_insf): Broaden the output constraint.
2067 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2069 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2070 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2072 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2074 * final.c: Revert my previous changes.
2075 * output.h: Make profile_label_no extern.
2076 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2077 for generating label.
2079 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2081 * config/i386/djgpp.h: Add comments about standard paths.
2082 (MD_EXEC_PREFIX): Undefine before defining.
2083 (MD_STARTFILE_PREFIX): New.
2085 2001-01-30 Bruce Korb <bkorb@gnu.org>
2087 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2088 (load_file): do not rely on load_file_data() to close file pointer
2089 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2090 fixinc/inclhack.def(irix_limits_const): add test_text
2092 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2094 * cppexp.c (parse_defined): Improve diagnostics for invalid
2097 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2099 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2101 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2103 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2104 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2105 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2106 (rs6000_output_symbol_ref): New function.
2107 (output_toc): Use VTABLE_NAME_P.
2109 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2111 * print-tree.c (print_node, case PARM_DECL):
2112 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2114 * stor-layout.c (reference_types_internal): New variable.
2115 (internal_reference_types): New function.
2116 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2117 * tree.h (internal_reference_types): New declaration.
2119 * cse.c (find_best_addr): Fix typo in computing cost.
2121 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2123 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2124 and this is the sum of a pointer and a constant, we know the result
2126 (num_sign_bit_copies, case PLUS): Likewise.
2127 * explow.c (convert_memory_address): Remove opposite SUBREG.
2128 * function.c (instantiate_new_reg): New function (from common code).
2129 (instantiate_virtual_regs_1): Call it.
2130 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2131 if pointers sign- or zero-extend.
2132 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2133 If pointers extend unsigned, use inside of SUBREG.
2134 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2136 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2138 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2139 subdir of gcc_gxx_include_dir.
2140 (gcc_gxx_target_include_dir): Remove.
2142 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2144 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2145 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2146 a high-level description.
2148 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2150 * final.c: Move the declaration of profile_label_no to ...
2151 * output.h: ... here.
2152 * function.c (expand_function_start): Call PROFILE_HOOK.
2153 * config/rs6000/aix.h: Define PROFILE_HOOK.
2154 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2155 * config/rs6000/rs6000.c (output_profile_hook): Define.
2156 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2157 output_profile_hook.
2158 tm.texi : Explain new macro PROFILE_HOOK.
2160 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2162 * extend.texi (Extended Asm): Do not say that semicolon is always
2163 a valid line-breaking character for GNU assemblers. Use
2164 newline-tab as the most commonly supported syntax. Use
2165 newline-tab rather than semicolon in multi-insn examples.
2167 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2169 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2171 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2172 David Edelsohn <edelsohn@gnu.org>
2174 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2175 code for AIX, even without flag_pic.
2177 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2179 * c-typeck.c (common_type): push and pop binding level around
2180 calling common_type on function parameters.
2182 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2184 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2186 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2188 * config/mips/mips.c (override_options): Fix typo in last change.
2189 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2190 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2192 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2194 * invoke.texi (-fdump-class-layout): Document.
2195 (-fdump-translation-unit): Use `=' as filename separator.
2197 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2199 * Makefile.in (s-mlib): Don't build multilibs if
2201 (DRIVER_DEFINES): Adjust accordingly.
2203 (protoize.o): Likewise.
2204 (unprotoize.o): Likewise.
2205 * configure.in: Recognize --enable-multilib.
2207 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2209 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2211 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2212 * configure.in: Remove --enable-libstdcxx_v3 support.
2213 * configure: Regenerated.
2215 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2217 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2218 Call abort instead of fatal.
2219 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2220 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2221 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2222 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2223 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2224 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2226 * diagnostic.h (set_internal_error_function): Renamed.
2227 * toplev.h (internal_error): Renamed from fatal.
2228 (pfatal_with_name): Deleted.
2229 (fatal_io_error): Now has printf-style arguments.
2230 * diagnostic.c (pfatal_with_name): Deleted.
2231 (fatal_io_error): Rework to have args in printf-style.
2232 (set_internal_error_function): Renamed from set_fatal_function.
2233 (internal_error): Renamed from fatal.
2234 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2235 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2236 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2237 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2238 * flow.c (verify_flow_info): Likewise.
2239 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2240 * config/mips/mips.c (save_restore_insns): Likewise.
2242 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2243 * flow.c (verify_flow_info): Likewise.
2244 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2245 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2246 (avr_normalize_condition): Likewise.
2247 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2248 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2249 (limit_reload_class, double_reg_to_memory): Likewise.
2250 (print_operand_address, emit_1600_code_shift): Likewise.
2251 (gen_tst_reg, gen_compare_reg): Likewise.
2252 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2253 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2255 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2257 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2258 * objc/objc-act.c (build_ivar_chain): Likewise.
2259 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2261 * graph.c (clean_graph_dump_file): Likewise.
2262 * profile.c (init_branch_prob): Likewise.
2263 * objc/objc-act.c (objc_init): Likewise.
2265 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2266 * config/avr/avr.c (avr_override_options): Likewise.
2267 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2268 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2269 * config/h8300/h8300.c (h8300_init_once): Likewise.
2270 * config/mips/mips.c (override_options): Likewise.
2271 * config/i386/i386.c (override_options): Likewise, rework.
2272 * config/m68k/m68k.c (override_options): Likewise.
2274 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2276 * config/mips/mips.c (print_operand): Likewise.
2277 * hash.c (hash_allocate): Don't check for failure returns from
2278 obstack functions that can't fail.
2279 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2280 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2281 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2282 (get_object_reference): Likewise.
2284 2001-02-04 Nick Clifton <nickc@redhat.com>
2286 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2287 StrongARM1110, 10TDMI, and 1020T.
2289 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2291 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2293 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2295 * config/sh/sh.md (movdf load split): Pass register number to
2296 FP_OR_XD_REGISTER_P.
2298 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2300 * cppinit.c (BC): New macro.
2301 (builtin_array): Add __GXX_WEAK__.
2302 * cpplib.h (builtin_type): Add BT_WEAK.
2303 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2304 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2305 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2307 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2309 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2311 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2313 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2314 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2316 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2318 * cpphash.h: Rename ALIGN _ALIGN.
2319 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2321 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2323 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2324 compilation environment.
2325 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2326 control over location of cygwin includes and libs.
2328 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2330 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2332 2001-02-02 lars brinkhoff <lars@nocrew.org>
2334 * md.texi (Standard Names): remove reference to spur.md.
2336 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2338 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2339 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2340 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2341 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2342 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2344 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2346 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2347 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2348 number before reload.
2349 (c4x_adjust_cost): Return zero before reload.
2350 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2351 split before reload.
2353 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2355 * c4x.c (c4x_hard_regno_rename_ok): New.
2356 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2357 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2359 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2361 * diagnostic.h: Add missing "extern" in all declarations.
2363 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2365 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2366 as for gcc_gxx_include_dir.
2368 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2370 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2372 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2374 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2375 label before alignment to be used as the braf base address.
2376 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2378 (casesi_jump_2): Require at least TARGET_SH2.
2380 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2381 truncation to 32-bit doubles on -m3e and -m4-single-only.
2383 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2385 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2386 the default when building a shared object.
2387 (init_spec): Use it.
2388 * testsuite/lib/g++.exp: Include the directory where libgcc
2389 is located to the LD_LIBRARY_PATH list.
2390 * invoke.texi (-shared-libgcc): Document the cases in which
2391 GCC defaults to using the shared libgcc.
2393 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2395 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2396 unsigned is wide enough.
2398 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2399 (si_to_float): Likewise.
2400 (float_to_si, float_to_usi): Use BITS_PER_SI.
2402 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2404 * dwarf2out.c: Added explanation of abbreviations.
2405 (def_cfa_1): Added comments listing DWARF2 instructions.
2406 (cfa_temp_reg): Removed in favor of cfa_temp.
2407 (cfa_temp_value): Removed in favor of cfa_temp.
2408 (cfa_temp): New global variable.
2409 (dwarf2out_frame_debug_expr): Added extensive introductory
2410 comments explaining the function's transformations. Revised to
2411 use cfa_temp. Added some rtx checking. Generalize IOR case.
2412 (dwarf2out_frame_debug): Revised to use cfa_temp.
2413 (output_aranges): Cast as "unsigned" to avoid warning.
2414 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2415 explain which instructions must be marked.
2417 2001-02-01 Richard Henderson <rth@redhat.com>
2419 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2422 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2424 * config/sh/crt1.asm (main_k): Modified so that start calls
2425 ___setup_argv_and_call_main.
2427 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2429 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2430 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2431 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2432 * cppmacro.c (builtin_macro): Set builtin flags here.
2433 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2434 (replace_args): Clarify intent.
2435 (cpp_get_token): Macro expansion tokens get the saved flags.
2437 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2440 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2442 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2445 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2447 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2448 returns Pmode pseudo, but we need ptr_mode.
2449 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2450 Remove bogus conversions; use HOST_WIDE_INT for size.
2451 Don't use TARGET if wrong mode.
2453 * config/i386/i386.c (ix86_compute_frame_size): Allow
2454 stack_alignment_needed to be non-default even if size is zero.
2456 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2458 * (hppa_init_pic_save): Emit the pic offset table
2459 reg save after last_parm_insn.
2460 * pa.c (hppa_init_pic_save): New function.
2461 * pa.h (hppa_init_pic_save): Declare.
2462 * pa.md (call, call_value, sibcall, sibcall_value): Use
2463 the above instead of duplicated code.
2465 * pa.c (hppa_encode_label): Correct size of alloca buffer
2466 so we don't overrun it. Correct leading `*' case.
2467 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2468 need to handle `*@'.
2469 (FUNCTION_NAME_P): Likewise.
2471 2001-01-31 Richard Henderson <rth@redhat.com>
2473 * config.gcc (alpha-osf5): Use float-i128.h.
2475 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2476 * config/float-i32.h: Likewise.
2477 * config/float-i64.h: Likewise.
2478 * config/float-sh.h: Likewise.
2479 * config/float-sparc.h: Likewise.
2481 2001-01-31 DJ Delorie <dj@redhat.com>
2483 * expmed.c (extract_bit_field): allow non-integral modes if we
2484 want to extract a whole register from itself.
2486 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2488 * c-typeck.c (set_init_index): If first is equal to last, assume as
2489 if it was not a range at all.
2491 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2493 * config/fp-bit.c: Include tm.h.
2494 (float_to_si): Don't assume SImode is 32-bits wide.
2495 (float_to_usi): Likewise.
2497 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2499 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2501 (typename): Call pending_xref_error after parsing typed_typespecs.
2502 * c-decl.c (lookup_tag): Give error immediately rather than
2503 leaving it pending if the tag of the wrong type is in the same
2505 (xref_tag): Don't pedwarn for forward declarations of enum types
2507 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2510 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2512 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2514 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2516 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2517 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2519 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2521 * cpphash.h (struct cpp_reader): New saved_flags.
2522 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2523 to avoid a paste after a pasted token.
2525 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2527 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2528 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2529 Wtype_MIN instead of LONG_MIN.
2531 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2533 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2535 * fixinc/fixincl.x: Regenerated.
2536 * fixinc/inclhack.def (irix_limits_const): New definition to
2537 convert "const" to "__const" in limits.h.
2539 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2541 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2543 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2545 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2546 when register dies in the insn.
2548 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2550 * diagnostic.c (fatal): Fix word wrap.
2552 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2554 * combine.c (try_combine): Fix SUBREG setting for
2555 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2557 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2559 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2562 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2564 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2566 * toplev.c (decode_W_option): Update warn_larger_than
2567 unconditionally for each processed switch.
2569 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2571 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2573 (hppa_expand_prologue): Delete code to save pic offset table register
2574 in the function prologue.
2575 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2576 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2577 table register at the beginning of the function after the prologue.
2579 2001-01-29 lars brinkhoff <lars@nocrew.org>
2581 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2583 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2584 Jeff Law <law@redhat.com>
2586 * pa.md (return): Revise comment for trivial return.
2587 (return_internal): Non-trivial return pattern for non-PIC code.
2588 (return_internal_pic): Non-trivial return pattern for PIC code.
2589 It uses the PIC register to ensure it is restored after
2591 (epilogue): Generate appropriate return for PIC and non-PIC code.
2593 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2595 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2597 2001-01-29 DJ Delorie <dj@redhat.com>
2599 * combine.c (if_then_else_cond): Pass the correct mode to
2600 operand_subword() for constants.
2602 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2604 * config/i386/cygwin.h: Add w32api to include search. Search different
2605 directories in a cross-build environment.
2607 2001-11-29 Tim Josling <tej@melbpc.org.au>
2609 * tree.h (TYPE_STUB_DECL): Add documentation.
2611 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2613 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2614 (sdbout_field_types): Likwise. Fix use of host_integerp.
2616 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2618 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2621 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2623 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2624 to use flag_gnu_linker.
2626 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2628 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2629 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2631 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2633 * tree.c, tree.h (build_parse_node): Remove; was identical to
2635 * c-lang.c (start_cdtor), objc/objc-act.c
2636 (build_module_descriptor): Use build_nt instead of
2639 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2641 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2642 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2643 not have any upper bits set.
2645 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2647 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2649 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2651 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2653 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2655 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2656 (integer_minus_one_node): Define.
2658 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2660 * Makefile.in (bootstrap2-lean): Fix typo.
2662 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2664 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2665 : Don't set fe_value.
2666 * cpplib.h (AVOID_LPASTE): New flag.
2667 (struct cpp_hashnode): Remove fe_value.
2668 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2669 * cppmacro.c (builtin_macro): Don't set flags here.
2670 (replace_args): Set AVOID_LPASTE flag on first token of an
2671 argument, and the token following it.
2672 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2673 macro expansion, and on the token following it. Do it for
2675 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2677 2001-01-27 Richard Henderson <rth@redhat.com>
2679 * config/alpha/t-ieee: Remove multilibbing.
2680 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2682 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2684 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2686 * Makefile.in: Remove all dependencies on defaults.h.
2687 * builtins.c: Don't include defaults.h.
2688 * c-common.c: Likewise.
2689 * c-decl.c: Likewise.
2690 * c-pragma.c: Likewise.
2691 * c-typeck.c: Likewise.
2692 * combine.c: Likewise.
2694 * frame-ia64.c: Likewise.
2695 * cppexp.c: Likewise.
2696 * crtstuff.c: Likewise.
2697 * dbxout.c: Likewise.
2698 * dwarf2out.c: Likewise.
2699 * dwarfout.c: Likewise.
2700 * emit-rtl.c: Likewise.
2701 * except.c: Likewise.
2703 * final.c: Likewise.
2704 * frame-dwarf2.c: Likewise.
2705 * libgcc2.c: Likewise.
2706 * optabs.c: Likewise.
2707 * profile.c: Likewise.
2708 * sdbout.c: Likewise.
2709 * toplev.c: Likewise.
2710 * tradcif.y: Likewise.
2712 * varasm.c: Likewise.
2714 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2716 * builtins.c (expand_builtin_fputs): Use size_one_node when
2717 transforming into fwrite.
2719 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2721 * extend.texi (Attribute Syntax): New section.
2723 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2725 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2726 they didn't need fixing.
2728 2001-01-27 Janis Johnson <janis@us.ibm.com>
2730 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2732 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2733 to remove macro definitions that are duplicated from elfos.h.
2735 2001-01-27 Richard Henderson <rth@redhat.com>
2737 * config/i386/sco5gas.h: Move ...
2738 * config/usegas.h: ... here.
2739 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2741 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2743 * c-typeck.c (struct constructor_stack): Add range_stack member.
2744 (really_start_incremental_init): Clear it.
2745 (push_init_level): Save constructor_range_stack and clear it if
2746 pushing explicit braces.
2747 (pop_init_level): abort if constructor_range_stack is non-zero at
2748 explicit closing brace. Restore saved constructor_range_stack if
2751 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2753 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2754 into register was forced into memory.
2756 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2758 * Makefile.in: Remove uses of + before $(MAKE).
2760 2001-01-26 Richard Henderson <rth@redhat.com>
2762 * stmt.c (cost_table): Remove.
2763 (COST_TABLE, cost_table_initialized): New.
2764 (estimate_case_costs): Use the later instead of the former.
2765 (balance_case_nodes): Likewise.
2767 2001-01-26 Richard Henderson <rth@redhat.com>
2769 * alias.c (objects_must_conflict_p): Read-only slots may not
2770 conflict despite having the same type.
2772 2001-01-27 Michael Hayes <mhayes@redhat.com>
2774 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2776 (check_ext_dependant_givs): Initialise u_start_val and
2778 (load_mems): Make last_max_reg unsigned.
2779 (try_swap_copy_prop): Use INSN_P and initialise set.
2781 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2783 * README.AVR : Removed.
2785 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2787 * pa-64.h (text_section): Remove declaration.
2789 * pa.md (return_internal): Remove mode on PIC register use.
2791 2001-01-25 lars brinkhoff <lars@nocrew.org>
2793 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2794 ASM_CLOSE_PAREN): fix typos.
2796 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2798 * acconfig.h: Define `const' to the empty string if neither
2799 __STDC__ nor __cplusplus is defined.
2800 * config.in: Regenerated.
2802 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2804 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2805 * collect2.c (main): Delete importf. Add ".obj" file extension.
2806 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2807 (aix_std_libs): Add additional AIX libraries to skip.
2808 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2809 * config/rs6000/aix51.h: New file.
2811 2001-01-25 Michael Hayes <mhayes@redhat.com>
2813 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2814 (loop_insn_emit_before): No longer static.
2815 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2816 (loop_givs_rescan, load_mems): Likewise.
2817 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2818 (maybe_eliminate_biv_1):
2819 (move_movables): Replace emit_call_insn_before with
2820 loop_call_insn_hoist.
2821 * loop.h (loop_insn_emit_before): Add.
2822 * unroll.c (copy_loop_body): Replace emit_insn_before with
2823 loop_insn_emit_before.
2825 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2827 * diagnostic.c (fatal): Request preprocessed source.
2829 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2831 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2832 olddecl has argument types and newdecl has none, use the argument
2835 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2837 * dwarf2out.c (prefix_of): New function. Determine longest common
2838 prefix of the two arguments. The units are whole path components.
2839 (output_file_names): When adding a new directory find the one entry
2840 with the longest common prefix already in the list. Artificially
2841 generate entry if there is none for this prefix.
2842 Fix test to check whether the zeroth directory entry is used.
2844 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2846 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2847 Changed all callers. Take it into account when deciding if a
2848 previously loaded value matches.
2850 2001-01-24 Richard Henderson <rth@redhat.com>
2852 * reload.c (find_reloads_subreg_address): Fail the substitution
2853 if the resulting address is insufficiently aligned.
2855 2001-01-24 DJ Delorie <dj@redhat.com>
2857 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2858 check the original operand's mode also.
2859 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2861 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2863 * c-parse.in (cast_expr): Move compound literals from here ...
2864 (primary): ... to here. Use standard terminology "compound
2865 literal" instead of "constructor expression".
2867 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2869 * gcc.1, cpp.1: Regenerate.
2871 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2873 * calls.c (emit_library_call_value_1): Memory slot for
2874 pass-by-reference argument should have the mode of the argument,
2875 not of the pointer to it.
2877 2001-01-24 Tom Tromey <tromey@redhat.com>
2879 * gcc.texi (G++ and GCC): Mention gcj manual.
2880 (Standards): Link to section of manual mentioning gcj/Java
2883 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2885 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2886 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2887 * tradcpp.c (main): Add -imacros or -include'd dependencies
2889 * cpp.texi (-M, -MM): Document -M -include behaviour.
2891 2001-01-24 Roger Collins <roger@ProProject.com>
2893 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2895 2001-01-24 Will Cohen <wcohen@redhat.com>
2897 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2898 whether registers are 32 bits or 64 bits in size.
2900 2001-01-24 Ben Elliston <bje@redhat.com>
2902 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2904 2001-01-24 Richard Henderson <rth@redhat.com>
2906 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2907 (builtin_longjmp): Use it instead of emit_indirect_jump.
2909 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2911 * bb-reorder.c (make_reorder_chain_1): Handle case where
2912 jump edge goes to the same block as the fallthru edge.
2914 2001-01-23 Jim Wilson <wilson@redhat.com>
2916 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2917 * frame.h (__ia64_personality_v1): Add prototype.
2918 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2919 prototype form. Add void * cast to first argument to personality
2921 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2922 (asctoe113): Likewise.
2923 * config/ia64/frame-ia64.c: Include eh-common.h.
2924 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2926 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2928 (itanium_split_issue): Add prototype.
2929 (gen_nop_type): Ifdef out.
2930 (find_best_packet): Initialize best_packet.
2931 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2933 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2934 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2935 (flushrs): Add explicit stop bit at end.
2936 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2939 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2941 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2943 * libgcc2.c (__terminate_func): Make variable static.
2944 (__terminate_set_func): New function to set __terminate_func.
2945 * libgcc2.h (__terminate_func_ptr): New typedef.
2946 (__terminate_set_func): New function.
2948 2001-01-23 Richard Henderson <rth@redhat.com>
2950 * flow.c (init_propagate_block_info): Don't consider unchanging
2951 memories for dead frame store elimination.
2953 2001-01-23 Richard Henderson <rth@redhat.com>
2955 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2956 * defaults.h: ... here.
2958 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2960 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2962 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2964 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2966 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2968 * rs6000.h (rs6000_return_addr): Move prototype from here...
2969 * rs6000-protos.h (rs6000_return_addr): ...to here.
2970 (rs6000_init_expanders): Delete prototype.
2972 2001-01-23 Nick Clifton <nickc@redhat.com>
2974 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2975 (Spec Files): Document %B and %j and %. and %v3 and %M and
2976 %{S*&T} spec switches.
2978 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2980 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2982 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2983 Neil Booth <neil@daikokuya.demon.co.uk>
2985 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2986 Have -Werror make pedantic warnings errors, like the
2989 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2991 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2993 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2995 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2996 * integrate.c (expand_inline_function): Initialize them.
2997 (subst_constants): If changing COMPARE so that both its arguments
2998 will be VOIDmode and the comparison mode will be lost, note
2999 compare_mode. Use the recorded compare_mode to optimize
3002 2001-01-23 Jason Merrill <jason@redhat.com>
3004 * dwarf2out.c (new_die): Use xcalloc.
3005 (output_die): Abort rather than emit a local reference to offset 0.
3007 2001-01-17 Andrew Haley <aph@redhat.com>
3009 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3010 of a saved register; return NULL instead.
3011 (copy_reg): Take a pointer to a source register rather than a
3013 (next_stack_level): Remember the address in the stack frame of all
3015 Use the saved register pointer array as the source of the CFA.
3016 (throw_helper): Rewrite. Unwind once rather than twice and keep
3017 track of saved registers as we go.
3019 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3021 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3022 * c4x.c (c4x_legitimize_reload_address): Remove.
3023 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3024 reload address for ldp(k) insn.
3026 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3028 * pa.md (return_internal): Add a USE of the PIC register to ensure
3029 it is restored after each call.
3030 (return expander): Corresponding changes.
3032 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3034 * rs6000.h (INIT_EXPANDERS): Delete.
3035 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3036 * rs6000.c (rs6000_override_options): Call *_machine_status from
3038 (rs6000_init_expanders): ...instead of here. Delete.
3039 (rs6000_mark_machine_status): New function.
3040 (rs6000_init_machine_status): Use xcalloc.
3041 (rs6000_return_addr): Generate RTX for the return address.
3042 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3043 (rs6000_stack_info): Use it.
3045 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3047 * gthr-win32.h: Include errno.h to get a declaration for
3048 EINVAL and _mingw.h if the target is mingw32.
3050 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3052 * cpp.texi: Correct typos.
3054 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3056 * explow.c (probe_stack_range): Ensure value passed to
3057 stack_check_libfunc is ptr_mode, not Pmode.
3059 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3061 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3062 case, don't use operand_subword to calculate a SUBREG that is
3065 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3067 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3069 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3070 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3071 valid. If not replace it by equivalent insns.
3073 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3075 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3076 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3077 (c4x_U_constraint, symbolic_address_operand): Likewise.
3078 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3080 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3081 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3082 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3083 anulling slot because of silicon bug.
3084 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3086 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3088 * cppexp.c (parse_charconst): Change `mask' type to agree
3091 2001-01-21 Richard Henderson <rth@redhat.com>
3093 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3094 pic_label_name in a linkonce section.
3096 2001-01-17 Philipp Thomas <pthomas@suse.de>
3098 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3100 * configure: Regenerate.
3102 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3104 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3105 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3107 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3109 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3110 If REVERSE nonzero then condition code in X must be reversed.
3111 (encode_section_info): Optimise if/else.
3112 (avr_function_value): Fix formatting.
3114 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3115 (difficult_branch): Likewise.
3116 (rvbranch): Likewise.
3117 (difficult_rvbranch): Likewise.
3119 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3121 * config/avr/libgcc.S: Fix comment.
3123 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3125 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3127 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3129 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3131 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3133 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3134 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3135 * configure, config.in: Regenerate.
3136 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3137 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3138 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3139 (doprint.o): New rule.
3141 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3143 * c-typeck.c (digest_init): Handle boolean types as scalars.
3145 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3147 * stmt.c (expand_return): Don't return anything if size is zero.
3148 Delete redundant assignment to BYTES.
3149 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3151 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3153 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3154 the same as the default library function names.
3155 * config/avr/avr.md: Document special characters after '%'.
3156 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3157 knowing which of the call-used registers are really clobbered.
3158 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3159 New. Both quotient and remainder from one libgcc.S call.
3160 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3161 clobber as few registers as possible.
3162 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3164 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3166 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3167 context of the top of the stack.
3169 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3171 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3172 (fixup_var_refs_insns): ...here.
3174 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3176 * function.c (fixup_var_refs_insns): Break up into
3177 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3178 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3179 [loop over hash table entries].
3180 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3181 fixup_var_refs_insns_with_hash, to match above changes.
3183 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3185 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3186 (libgcc.a): Likewise.
3187 (stmp-multilib): Likewise.
3188 (STAGE2_FLAGS_TO_PASS): Likewise.
3190 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3192 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3193 temporary if no_new_pseudos.
3195 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3197 * cppinternals.texi: Update.
3199 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3201 * arm.c (arm_init_builtins): Re-enable builtins.
3203 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3205 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3206 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3207 element to be null, and always expect an EXPR_LIST.
3208 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3209 * sched-deps.c (sched_analyze_1): Likewise.
3210 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3212 * regclass.c (max_set_parallel): New variable.
3213 (reg_scan): Take it into account in computation of max_parallel.
3214 (reg_scan_mark_refs, case SET): Compute it.
3216 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3218 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3219 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3221 2001-01-19 Jason Merrill <jason@redhat.com>
3223 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3224 for the abstract instance of an inline function.
3226 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3227 J"orn Rennecke <amylaar@redhat.com>
3229 * reload1.c (move2add_note_store): Treat all registers directly or
3230 indirectly derived from a base register as members of the same set
3232 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3233 of base register into account.
3235 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3237 * alias.c (find_base_value): Recognize TRUNCATE.
3238 (record_set): In PLUS case, invalidate if other summand is also a
3241 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3243 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3244 entry to be EXPR_LIST.
3245 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3246 be an EXPR_LIST (but not null, which other code doesn't allow).
3247 (note_stores): Properly handle PARALLEL in SET.
3248 Recursively call for top-level PARALLEL.
3249 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3250 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3252 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3254 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3256 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3257 not pfile->skipping (== 0).
3259 2001-01-17 Nick Clifton <nickc@redhat.com>
3261 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3264 2001-01-17 Jim Wilson <wilson@redhat.com>
3266 * invoke.texi (IA-64 options): Improve.
3268 2001-01-17 Tom Tromey <tromey@redhat.com>
3270 * invoke.texi (Optimize Options): Use `{}' to around @samp
3273 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3275 * invoke.texi (-fno-guess-branch-probability): New option.
3277 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3279 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3280 case of making new double-word constant.
3281 Revert last change: instead just test i3_subst_into_i2.
3283 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3285 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3286 Use q constraints instead of r.
3288 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3290 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3291 (machine_function): Define.
3292 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3293 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3294 pa_free_machine_status): New functions.
3295 (override_options): Set {init,mark,free}_machine_status to above.
3296 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3297 PIC_OFFSET_TABLE_REGNUM_SAVED.
3298 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3299 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3300 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3301 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3302 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3304 2001-01-15 DJ Delorie <dj@redhat.com>
3306 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3310 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3312 * flow.c (propagate_on_insn): Make trying to delete a prologue
3313 or epilogue insn an ICE, not a warning. Allow doing this if
3314 the current function returns with stack pointer depressed.
3316 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3317 I3 having more than one SET.
3319 2001-01-16 Jim Wilson <wilson@redhat.com>
3321 * invoke.texi: Document IA-64 options.
3323 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3324 (fixup_errata): Delete TARGET_A_STEP use.
3325 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3326 (TARGET_SWITCHES): Delete -ma-step option.
3327 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3328 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3329 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3330 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3331 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3332 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3334 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3335 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3336 cmovsi_internal): Delete ! TARGET_A_STEP check.
3338 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3340 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3341 possibility to report bugs via postal mail. Change a URL and
3342 merge in a nearly duplicate statement...
3343 (Bug Reporting): ...from here.
3344 (Service): Refer to the Bug Reporting section instead of
3346 (Contributing): Remove trivial explanations concerning snapshots.
3348 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3350 * cppmain.c (general_init): Don't use ANSI prototype.
3352 2001-01-16 Tom Tromey <tromey@redhat.com>
3354 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3356 2001-01-16 Richard Henderson <rth@redhat.com>
3358 * config/i386/i386.h: Fix comment typo.
3359 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3360 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3362 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3364 * gcc.c: Revert previous -fsyntax-only-related change; move
3367 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3369 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3370 inmode after checking GET_CODE (op).
3372 2001-01-16 Richard Henderson <rth@redhat.com>
3374 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3375 (MAX_MEM_SET_LIST_LEN): New.
3376 (propagate_one_insn): Update mem_set_list_len.
3377 (invalidate_mems_from_autoinc): Likewise.
3378 (invalidate_mems_from_set): Likewise.
3379 (mark_used_regs): Likewise.
3380 (init_propagate_block_info): Likewise. Stop collecting memories
3381 when we reach MAX_MEM_SET_LIST_LEN.
3382 (mark_set_1): Likewise.
3384 2001-01-16 Richard Henderson <rth@redhat.com>
3386 * unroll.c (precondition_loop_p): Fail if no iteration
3389 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3391 * gcc.c: When -fsyntax-only is given, do not complain about
3394 2001-01-15 Richard Henderson <rth@redhat.com>
3396 * config/i386/i386.c (asm_output_function_prefix): Remove.
3397 (ix86_asm_file_end): New.
3398 (load_pic_register): Generate pic_label_name into a
3399 staticly allocated buffer.
3400 * config/i386/i386-protos.h: Update.
3401 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3402 (ASM_FILE_END): New.
3403 * config/i386/i386afe.h: New file.
3404 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3405 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3406 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3407 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3408 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3409 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3410 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3412 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3414 * Makefile.in (install-man): Remove explicit dependency on
3417 * configure.in, configure: Revert previous patch requiring perl
3420 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3422 * toplev.c (flag_guess_branch_prob): New.
3423 (f_options): Add guess-branch-probability option.
3424 (rest_of_decl_compilation): Only estimate branch probability if
3426 (main): set flag_guess_branch_prob.
3428 * flags.h (flag_guess_branch_prob): New.
3430 2001-01-15 DJ Delorie <dj@redhat.com>
3432 * gcc.texi (Makefile): Add documentation for Makefile targets.
3434 2001-01-15 Philip Blundell <philb@gnu.org>
3436 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3438 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3439 (is_pic): Delete declaration.
3440 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3441 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3442 * config/arm/arm.md (builtin_setjmp_receiver): New.
3444 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3446 * arm.c (use_return_insn): Don't try to determine the function type
3447 until after reload has completed.
3448 (arm_output_epilogue): Don't adjust the sp value recovered from the
3450 (emit_multi_reg_push): Don't record dwarf information for the pc.
3451 * arm.md (eh_epilogue): The function type may have changed, so it
3452 needs to be recalculated.
3453 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3454 unwind tables on arm/netbsd.
3456 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3458 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3459 (negated_cbranchsi4): Likewise.
3461 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3463 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3464 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3465 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3466 pass -mapcs-* options to assembler.
3467 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3468 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3469 (ASM_SPEC): Call subtarget_extra_asm_spec.
3471 2001-01-15 Andreas Jaeger <aj@suse.de>
3473 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3475 (ix86_expand_builtin): Likewise.
3477 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3478 warning about comparison between signed and unsigned.
3480 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3482 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3484 2001-01-14 Ralf Baechle <ralf@gnu.org>
3486 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3487 SUBTARGET_CPP_SPEC apropriatly.
3489 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3491 * varasm.c (make_decl_rtl): Fix typo in last change.
3493 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3495 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3496 linker supports the init_priority C++ attribute.
3497 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3498 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3499 linker does not support init_priority C++ attribute.
3501 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3503 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3505 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3507 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3508 * cp/lex.c (finish_parse): Similarly.
3509 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3510 Return the number of errors encountered.
3511 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3512 * cppmain.c (main): Don't call cpp_destroy.
3514 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3516 * configure.in: Require at least perl 5.6.0 to regenerate
3518 * configure: Regenerate.
3520 2001-01-14 Richard Henderson <rth@redhat.com>
3522 * genrecog.c (DT_veclen_ge): New.
3523 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3524 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3525 (nodes_identical_1): Handle DT_veclen_ge.
3526 (write_cond, debug_decision_2): Likewise.
3528 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3530 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3532 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3534 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3536 * cppmain.c (do_preprocessing): New function; most of the old
3538 (main): Call it to do most of the work.
3539 (cb): Move from global scope to set_callbacks ().
3540 (setup_callbacks): Get the callback pointer.
3541 (general_init, printer_init): Clean up code and comments.
3543 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3545 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3548 2001-01-14 Kazu Hirata <kazu@hxi.com>
3550 * config/h8300/h8300.c (get_shift_alg): Update comments.
3552 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3554 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3555 (alloc_page, ggc_alloc): Add casts to remove warnings.
3557 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3559 * combine.c (simplify_comparison): Don't change `code' when
3560 can't reverse comparison.
3562 2001-01-14 Richard Henderson <rth@redhat.com>
3564 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3565 update all call sites. Return true for all non-label constants.
3567 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3569 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3571 (ix86_expand_branch): Update.
3572 (ix86_expand_setcc): Update to handle multiple test conditions.
3573 (expand_int_movcc): Likewise.
3574 (expand_fp_movcc): Likewise.
3575 * i386-protos.h (ix86_expand_compare): New.
3576 * i386.md (andqi_?_slp, orqi_?_slp): New.
3577 (conditional trap expander): Update call to ix86_expand_compare.
3579 2001-01-14 Richard Henderson <rth@redhat.com>
3581 * config/vax/vax.md: Use nonimmediate_operand instead of
3582 general_operand in destinations.
3584 * config/vax/vax.md (indirect_jump): Use register_operand.
3586 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3587 * config/vax/vax.md (call_pop): Turn into an expander.
3588 (call_value_pop): Likewise.
3589 (call, call_value): New.
3591 2001-01-14 Andreas Jaeger <aj@suse.de>
3593 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3595 (ix86_fp_compare_mode): Add unused attribute.
3596 (ix86_expand_fp_movcc): Remove unused variable.
3597 (ix86_expand_builtin): Make fcode unsigned.
3599 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3600 (expand_expr): Add cast to avoid signed warning.
3601 (store_field): Likewise.
3602 (store_constructor_field): Likewise.
3603 (store_constructor): Likewise.
3604 (store_expr): Likewise.
3605 (clear_storage): Likewise.
3606 (emit_group_store): Likewise.
3607 (emit_group_load): Likewise.
3609 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3611 * c-common.c: Move format checking code to ...
3612 * c-format.c: ... here. New file. Reorder some functions and
3614 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3616 * c-common.h (decl_handle_format_attribute,
3617 decl_handle_format_arg_attribute): Declare.
3618 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3619 (c-common.o): Adjust dependencies.
3620 (c-format.o): New list of dependencies.
3622 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3624 * unroll.c (loop_iterations): If we cannot prove iteration variable
3625 is set once in each iteration, punt.
3627 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3629 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3630 (*strlenhi): Remove clobber (which was buggy) of output address.
3632 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3634 * Makefile.in (generated-manpages): Add gcc.1
3635 ($(srcdir)/gcc.1): New target.
3636 (maintainer-clean): Delete $(srcdir)/gcc.1.
3637 * gcc.texi: Add macros @gccoptlist and @gol.
3638 * invoke.texi: Include option summary in manpage. Mark up option
3639 summary with @gccoptlist and @gol. Use @r in one place where
3641 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3642 * gcc.1: Generate from invoke.texi.
3644 2001-01-13 Richard Henderson <rth@redhat.com>
3646 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3647 (struct page_entry): Add group member.
3648 (struct page_group): New.
3649 (struct globals): Add page_groups member.
3650 (alloc_anon): Only define for using mmap; remove valloc call.
3651 (page_group_index): New.
3652 (set_page_group_in_use): New.
3653 (clear_page_group_in_use): New.
3654 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3655 (free_page, release_pages): Likewise.
3656 * configure.in (with-gc): Default to ggc-page always.
3658 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3660 * reload1.c (replace_pseudos_in_call_usage): Use
3661 reg_equiv_constant and reg_equiv_address, and don't try
3662 regno_reg_rtx first.
3664 2001-01-13 Richard Henderson <rth@redhat.com>
3666 * ggc-page.c (alloc_page): Round up allocation size to one page.
3667 Set e->order on extra pages.
3669 2001-01-13 Richard Henderson <rth@redhat.com>
3671 * genrecog.c (nodes_identical): Expand commentary.
3672 (write_switch): Watch out for identical nodes.
3674 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3676 * cppfiles.c (_cpp_fake_include): New function.
3677 * cpphash.h (_cpp_fake_include): New.
3678 * cpplib.c (do_line): Call _cpp_fake_include when entering
3679 header files in preprocessed input.
3680 * cppmain.c (cb_pragma_implementation): Remove handling.
3681 (setup_callbacks): Don't register pragmas.
3683 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3685 * extend.texi: Udate for CPP.
3687 2001-01-13 Andreas Jaeger <aj@suse.de>
3689 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3691 * regmove.c: Add prototype for replace_in_call_usage.
3693 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3695 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3696 struct cpp_chunk, struct htab, struct toklist,
3697 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3698 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3699 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3700 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3701 (struct macro_args): Delete.
3702 * cpphash.h: See above.
3704 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3706 * cppmain.c (struct printer): Remove no_line_dirs.
3708 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3709 : Use options rather than CPP_OPTION.
3710 (setup_callbacks): Use cb rather than pfile->cb.
3711 (main): No need to check for a buffer. Use cpp_errors.
3712 (printer_init): Don't set no_line_dirs.
3713 (maybe_print_line): Use options not no_line_dirs.
3714 (cb_file_change): Don't call print_line if -P.
3716 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3718 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3720 * c-parse.in (finish_parse): Use cpp_errors.
3721 (__yylex): Use return value of cpp_pop_buffer.
3722 * cp/lex.c (finish_parse): Use cpp_errors.
3723 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3725 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3727 * README.AVR: URLs corrected.
3729 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3731 * c-decl.c (start_function): Don't warn if old prototype is builtin
3732 that's not in C's namespace.
3733 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3734 (_bb): Add prototype for ctime.
3735 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3737 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3739 * i386.c (ix86_fp_comparison_arithmetics_cost,
3740 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3741 ix86_fp_comparison_cost): New functions.
3742 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3743 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3744 two-branch sequences; make static.
3745 (ix86_use_fcomi_compare): Do decision according to the costs.
3746 (split_fp_branch): New.
3747 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3748 * i386-protos.h (ix86_expand_fp_compare): Remove
3749 (ix86_split_fp_branch): Declare.
3751 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3752 and ix86_comparison_operator.
3754 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3757 * i386.c (put_condition_code): Output properly the unordered/ordered
3758 compares in fp case.
3759 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3761 * tm.texi (REVERSE_CONDITION): Document.
3762 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3763 in -ffast-math mode.
3764 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3766 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3768 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3770 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3773 * config/sh/sh.c (mova_p): Fix test for mova_const.
3775 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3777 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3778 cpp_get_options rather than dereferencing pfile and using
3780 * scan-decls.c (scan_decls): Use return value of
3781 cpp_pop_buffer rather than CPP_BUFFER.
3783 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3785 * cppinit.c (cpp_handle_option): help_only is now part of the
3786 cpp_options structure.
3787 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3788 cpp_set_callbacks): New functions.
3789 * cpplib.h (cpp_callbacks): Break out as a named structure.
3790 (cpp_options): Move help_only here from cpp_reader.
3791 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3792 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3793 cpp_set_callbacks): New prototypes.
3794 * cppmain.c (main): Update for help_only.
3796 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3798 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3799 Also build and remove and install and uninstall c-tree.info and
3801 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3802 ($(srcdir)/cppinternals.info): New target.
3803 * c-tree.texi: Change file name used when makeinfo used without -o
3804 from ir.info to c-tree.info. Add info directory entry.
3805 * cppinternals.texi: Add info directory entry.
3806 * .cvsignore: Update.
3808 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3810 * c-typeck.c (store_init_value): Don't require constant initializer
3811 elements with -pedantic -std=c99.
3812 (digest_init): Change error about non-constant initializer elements
3814 (constructor_range_end): Remove.
3815 (constructor_incremental, designator_depth,
3816 designator_errorneous): New variables.
3817 (struct constructor_stack): Remove range_end, add incremental.
3818 (struct constructor_range_stack, constructor_range_stack): New.
3819 (struct initializer_stack): Add constructor_range_stack.
3820 (finish_init): Set it.
3821 (start_init): Likewise. require_constant_elements for non-static
3822 trees only if not flag_isoc99.
3823 (really_start_incremental_init): Remove constructor_range_end, add
3824 constructor_incremental.
3825 (pop_init_level): Likewise.
3826 (push_init_level): Likewise. If implicit and the subobject had some
3827 value set already, preinitialize the level with it.
3828 Warn about missing braces only if not pushing due to designators.
3829 (set_designator, push_range_stack): New functions.
3830 (set_init_label): Use them.
3831 (set_init_index): Likewise. Remove constructor_range_end.
3832 Error if designator index is outside of array bounds.
3833 (add_pending_init): Compare values of purpose index trees, not the
3834 trees themselves. Allow overwriting of already initialized element.
3835 Issue a warning if it had side-effects.
3836 (set_nonincremental_init, set_nonincremental_init_from_string): New
3838 (pending_init_member): Rename to...
3839 (find_init_member): ...this function. Call set_nonincremental_init
3840 if necessary. Compare values of purpose index trees, not the trees
3841 themselves. Return the actual value, not just non-zero if something
3843 (output_init_element): Remove checks for duplicates.
3844 If field has zero size, only check the initializer for correctness.
3845 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3846 if constructor_incremental is zero. Change error about initializers
3847 not computable at load time into pedwarn.
3848 (output_pending_init_elements): Compare bit positions, not
3849 FIELD_DECLs to take into account zero-sized fields.
3850 (process_init_element): Use constructor_range_stack to fill all
3851 ranges in the designator lists from current level up.
3852 * extend.texi: Update documentation for labeled elements.
3854 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3856 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3857 to function usage for arguments passed by reference. Optimize
3858 callee-copied arguments.
3859 * regmove.c (replace_in_call_usage): New function.
3860 (fixup_match_1): Call it.
3861 * cse.c (cse_insn): Canonicalize registers in function usage.
3862 * reload1.c (replace_pseudos_in_call_usage): New function.
3865 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3868 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3870 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3873 2001-01-12 DJ Delorie <dj@redhat.com>
3875 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3876 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3879 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3881 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3882 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3883 -std options alongside references to -ansi. Update some
3884 documentation for C99.
3885 * cpp.1: Regenerate.
3887 2001-01-12 Andreas Jaeger <aj@suse.de>
3889 * haifa-sched.c (restore_line_notes): Remove argument block B
3891 * sched-ebb.c (schedule_ebb): Change caller.
3892 * sched-rgn.c (schedule_region): Likewise.
3893 * sched-int.h (restore_line_notes): Adjust prototype.
3895 * loop.h: Remove wrong declaration of doloop_condition_get.
3897 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3899 * extend.texi: Move C++-extension-related node from the C section
3900 into the C++ section.
3902 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3904 * extend.texi: Refer to an array of pointers to functions instead
3905 of one of functions.
3907 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3908 Jan Hubicka <jh@suse.cz>
3910 * combine.c (reversed_comparison): Fix typo in last patch.
3912 (combine_reversed_comparison_code): Make static to follow
3913 prototype declaration.
3915 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3917 * install.texi: Remove misplaced duplicate entry.
3919 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3921 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3923 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3925 * final.c: (leaf_function_p): Fix typo.
3927 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3929 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3930 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3932 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3933 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3934 mmap_anon, and valloc is available.
3935 * ggc-page.c: Restructure ifdef logic to match new autoconf
3936 spec. Don't throw away the test page in init_ggc.
3938 * configure, config.in: Regenerate.
3940 2001-01-12 Michael Hayes <mhayes@redhat.com>
3942 * loop.h (total_biv_increment): Constify iv_class pointer.
3943 (struct induction): Replace `mem_mode' with `mem' rtx.
3944 * unroll.c (total_biv_increment): Constify iv_class pointer.
3945 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3946 (find_mem_givs, combine_givs_p): Likewise.
3947 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3949 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3951 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3953 (__gthread_getspecific): Ditto.
3955 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3957 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3958 put_condition_code): Convert fp comparison codes to integer
3960 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3963 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3964 * i386-protos.h (no_comparison_operator): Kill.
3966 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3968 * combine.c (REVERSIBLE_CC_MODE): Remove.
3969 (reversible_comparison_p): Remove.
3970 (combine_reversed_comparison_code): New.
3971 (reversed_comparison): New.
3972 (combine_simplify_rtx): Use
3973 combine_reversed_comparison_code/reversed_comparison instead
3974 of reversible_comparison_p.
3975 (simplify_if_then_else): Likewise.
3976 (simplify_set): Likewise.
3977 (simplify_logical): Likewise.
3978 (if_then_else_cond): Likewise.
3979 (known_cond): Likewise.
3980 (simplify_comparison): Likewise.
3982 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3984 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3985 sizeof (int) is larger than sizeof(__word__).
3987 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3989 * cppinit.c (do_includes): Fix typo.
3991 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3993 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3994 in S_REGS does not occur because not all sources are possible
3995 when a S_REGS is a destination (sometimes needs a clobber).
3996 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3997 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3998 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3999 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4000 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4001 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4002 (lshrdi_const1, lshrsi3_const16): Likewise.
4003 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4004 (*movhi_68hc12, *movqi_68hc12): Likewise.
4005 (movstrictqi): Make sure reloading in D_REGS as a destination
4008 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4010 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4012 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4014 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4015 -D, -U and -A, and don't initialize the builtins.
4016 (do_includes): Error if -include or -imacros with -fpreprocessed.
4017 * cppmain.c (cb_define, cb_undef): Unconditionally process
4019 * tradcpp.c (main): Fix typo.
4021 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4023 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4024 (read_name_map): Use IS_ABSOLUTE_PATH.
4025 * tradcpp.c (get_filename): Likewise.
4027 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4029 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4030 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4031 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4032 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4033 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4034 (cmphi_z_used): Don't use '@' for the output.
4035 (tstqi_z_used): Likewise.
4036 (cmpqi_z_used): Likewise.
4037 (one_cmplsi2): Likewise.
4039 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4041 * config/sh/sh.c (barrier_align): Recognize branch around far
4042 branch and redundant insn.
4044 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4046 * invoke.texi: Restore documentation of the drivers' switches -MD
4049 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4051 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4053 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4054 check-objc//%): Support parallel testing of multilibs.
4055 (TESTSUITEDIR): Set to testsuite by default, but override for
4057 (check-gcc, check-g++, check-g77, check-objc): Enter
4060 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4062 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4063 * sched-deps.c (deps_may_trap_p): Likewise.
4064 * basic-block.h: Remove a comment.
4065 * flow.c (PROP_POSTRELOAD): Remove.
4066 (update_life_info): Don't add it to prop_flags.
4067 (mark_set_1): Lose the code that was enabled by it.
4069 2001-01-11 Michael Hayes <mhayes@redhat.com>
4071 * flow.c (flow_call_edges_add): New.
4072 * basic_block.h (flow_call_edges_add): New.
4074 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4076 * reload1.c (move2add_note_store): Update reg_set_luid even if
4077 base reg remains the same.
4079 2001-01-10 Nick Clifton <nickc@redhat.com>
4081 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4082 machine_function structure to zero.
4083 Add prototypes for machine_status functions.
4085 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4087 * c-common.h (CTI_VOID_LIST): Remove.
4088 (void_list_node): Likewise.
4089 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4090 (void_list_node): New macro.
4091 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4092 * config/i386/i386.c (ix86_init_builtins): Likewise.
4093 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4095 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4097 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4098 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4100 * tradcpp.c: Include mkdeps.h.
4101 (deps, print_deps_phony_targets, deps_append, output_deps,
4102 init_dependency_output, output_deps): New.
4103 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4104 deps_output): Delete.
4105 (print_deps_missing_files): Rename deps_missing_files.
4106 (inhibit_output): Make global.
4107 (main): Delete inhibit_output, deps_stream, deps_target.
4108 Use mkdeps functionality in the same way as cpplib. Remove
4109 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4110 -M and -MM. Remove old handling of deps via deps_out, and
4111 old reading of environment variables.
4112 (get_filename): Update to use deps_add_dep.
4114 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4116 * output.h (make_function_rtl): Remove prototype.
4117 (make_decl_rtl): Likewise.
4118 * varasm.c (make_function_rtl): Remove.
4119 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4120 than from a third parameter.
4121 * tree.h (make_decl_rtl): Remove last parameter.
4122 * c-decl.c (builtin_function): Remove last argument in call to
4123 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4124 (start_function): Likewise.
4125 * except.c (call_get_eh_context): Likewise.
4126 * expr.c (emit_block_move): Likewise.
4127 (clear_storage): Likewise.
4128 * profile.c (output_func_start_profiler): Likewise.
4129 * toplev.c (rest_of_decl_compilation): Likewise.
4130 * objc/objc-act.c (create_builtin_decl): Likewise.
4131 (synth_module_prologue): Likewise.
4132 (generate_static_reference): Likewise.
4133 (build_selector_reference_decl): Likewise.
4134 (build_class_reference_decl): Likewise.
4135 (build_objc_string_decl): Likewise.
4136 (build_protocol_reference): Likewise.
4138 2001-01-10 Richard Henderson <rth@redhat.com>
4140 * hwint.h: Revert yesterday's change.
4142 2001-01-10 Nick Clifton <nickc@redhat.com>
4144 * function.h (save_machine_status): Delete.
4145 (restore_machine_status): Delete.
4146 Amend comment describing {init|mark|free}_machine_status.
4148 * function.c (save_machine_status): Delete.
4149 (restore_machine_status): Delete.
4150 Amend comment describing {init|mark|free}_machine_status.
4151 (push_function_context_to): Remove invocation of
4152 save_machine_status.
4153 (pop_function_context_from): Remove invocation of
4154 restore_machine_status.
4156 * emit-rtl.c (init_emit_once): Amend comment describing
4157 {init|mark|free}_machine_status.
4159 * tm.texi (Per-Function Data): New node. Describe the
4160 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4163 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4165 * cppinit.c (OPT_g): Remove.
4166 (cpp_handle_option): Update for removed -g3.
4167 (print_help): Update.
4168 * cpplib.h (struct cpp_options): Remove debug_output.
4169 * cppmain.c (setup_callbacks, cb_define): Update.
4170 * gcc.c (cpp_options): Translate -g3 to -dD.
4172 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4174 * config/i960/i960.md: Change modifier to + on the zero_extract
4175 pattern after the (rotate -2 reg) canonicalization pattern.
4177 2001-01-10 Richard Henderson <rth@redhat.com>
4179 * config/alpha/alpha.c (alpha_free_machine_status): New.
4180 (override_options): Install it.
4181 (alpha_mark_machine_status): Verify machine non-null.
4182 * config/i386/i386.c (ix86_free_machine_status): New.
4183 (override_options): Install it.
4184 (ix86_init_machine_status): Use xcalloc.
4185 (ix86_mark_machine_status): Verify machine non-null.
4186 * config/ia64/ia64.c (ia64_free_machine_status): New.
4187 (ia64_override_options): Install it.
4188 (ia64_mark_machine_status): Verify machine non-null.
4190 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4192 * function.c (instantiate_virtual_regs): Instantiate virtual
4193 registers found in CALL_INSN_FUNCTION_USAGE.
4195 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4197 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4198 equivalent to -ansi in disabling -Di386.
4200 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4202 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4204 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4206 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4208 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4210 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4212 * invoke.texi: Document that -fcond-mismatch isn't supported for
4215 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4217 * gcc.texi: Define macro gcctabopt.
4218 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4219 @command, @env and @option in some places where appropriate. Use
4220 @gcctabopt where appropriate. Put URLs and email addresses inside
4223 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4225 * gcc.c (cpp_options): Set MD file name from output
4226 filename, if specified.
4227 (suffix_subst): New static variable.
4228 (do_spec): Clear it.
4229 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4231 (give_switch): Handle suffix_subst.
4233 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4235 * invoke.texi: Fix another typo.
4237 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4239 * invoke.texi: Fix typo.
4241 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4243 * c-lang.c (lang_hooks): Update.
4244 (lang_decode_option): Remove.
4245 (lang_init_options): Rename c_init_options.
4246 * toplev.c (main): Use lang_hooks for lang_init_options
4247 and lang_decode_option.
4248 * toplev.h (lang_hooks): Add 2 new hooks.
4249 * tree.h: Remove lang_init_options and lang_decode_option.
4250 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4251 * cp/decl2.c: Similarly.
4252 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4253 (lang_hooks): Update.
4254 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4256 (lang_init_options): Rename ffe_init_options.
4257 (lang_hooks): Update.
4258 (lang_decode_option): Remove.
4259 * java/lang.c (lang_init_options): Rename java_init_options.
4260 (lang_decode_option): Rename java_decode_option.
4261 (lang_hooks): Update.
4262 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4263 (lang_decode_option): Rename objc_decode_option.
4264 (lang_hooks): Update.
4266 2001-01-09 Nick Clifton <nickc@redhat.com>
4268 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4269 (d30v_return_addr_rtx): Delete.
4270 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4271 cfun->machine structure.
4272 (struct machine_function): Move to d30v.h
4273 (d30v_save_machine_status): Delete.
4274 (d30v_restore_machine_status): Delete.
4275 (d30v_init_machine_status): New Function.
4276 (d30v_mark_machine_status): New Function.
4277 (d30v_free_machine_status): New Function.
4278 (d30v_init_expanders): Use new functions.
4279 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4280 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4281 d30v_return_addr_rtx.
4283 * config/d30v/d30v.h (struct_machine): Move here.
4284 Add eh_epilogue_sp_ofs field.
4286 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4287 field in cfun->machine structure.
4289 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4291 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4292 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4293 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4295 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4297 * objc/lang-options.h: Remove bogus reference to
4300 2001-01-09 Kazu Hirata <kazu@hxi.com>
4302 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4305 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4307 * reload.c (find_reloads_address): Check for eliminable registers
4308 when substituting a constant expression for a pseudo.
4310 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4312 * c-common.c (enum format_type): Add format_type_error.
4313 (decode_format_type): New function.
4314 (decl_attributes): Use it.
4315 (format_kind_info): Adjust comment.
4317 2001-01-09 David O'Brien <obrien@BSDi.com>
4319 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4320 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4322 * config/i386/gnu.h: Don't include required platform specific .h files,
4323 tm.h will do it instead.
4324 * config/i386/i386elf.h: Likewise.
4325 * config/i386/linux.h: Likewise.
4326 * config/i386/moss.h: Likewise.
4327 * config/mips/gnu.h: Likewise.
4329 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4331 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4332 (rs6000-ibm-aix3.[01]*): Likewise.
4333 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4334 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4335 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4336 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4337 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4338 (powerpc-*-eabiaix*): Likewise.
4339 (powerpc-*-eabisim*): Likewise.
4340 (powerpc-*-elf*): Likewise.
4341 (powerpc-*-eabi*): Likewise.
4342 (powerpc-*-rtems*): Likewise.
4343 (powerpc-*-linux*libc1): Likewise.
4344 (powerpc-*-linux*): Likewise.
4345 (powerpc-wrs-vxworks*): Likewise.
4346 (powerpcle-wrs-vxworks*): Likewise.
4347 (powerpcle-*-sysv*): Likewise.
4348 (powerpcle-*-elf*): Likewise.
4349 (powerpcle-*-eabisim*): Likewise.
4350 (powerpcle-*-eabi*): Likewise.
4351 (powerpcle-*-solaris2*): Likewise.
4352 * config/rs6000/aix31.h: Delete includes.
4353 * config/rs6000/aix3newas.h: Likewise.
4354 * config/rs6000/aix41.h: Likewise.
4355 * config/rs6000/aix43.h: Likewise.
4356 * config/rs6000/beos.h: Likewise.
4357 * config/rs6000/rtems.h: Likewise.
4358 * config/rs6000/sysv4.h: Likewise.
4360 2001-01-09 Kazu Hirata <kazu@hxi.com>
4362 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4363 Change an argument mode of machine_mode to shift_mode of
4364 shift_mode. Remove an extra error check.
4365 (emit_a_shift): Adopt to the new calling prototype of
4367 (function_prologue): Fix code for a monitor
4368 function. Support H8/S.
4369 (function_epilogue): Do not output pop for a monitor function.
4371 2001-01-09 Nick Clifton <nickc@redhat.com>
4373 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4374 (setup_incoming_varargs): Use sysv_varargs_p field of the
4375 cfun->machine structure.
4376 (struct machine_function): Move to rs6000.h
4377 (rs6000_save_machine_status): Delete.
4378 (rs6000_restore_machine_status): Delete.
4379 (rs6000_init_machine_status): New Function.
4380 (rs6000_free_machine_status): New Function.
4381 (rs6000_init_expanders): Use new functions.
4383 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4385 (struct machine_function): Move here.
4387 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4388 sysv_varargs_p field of the cfun->machine structure.
4390 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4392 (rs6000_restore_machine_status): Remove prototype.
4394 2001-01-09 Richard Henderson <rth@redhat.com>
4396 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4397 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4398 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4399 (sched_analyze_2, sched_analyze_insn): Likewise.
4400 (sched_analyze, init_deps): Likewise.
4401 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4402 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4403 (compute_block_backward_dependences): Update propagate_deps call.
4405 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4407 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4409 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4411 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4412 (cpp_handle_option): Handle them.
4413 (cpp_post_options): Ensure one of -M or -MM is specified with
4414 any other -M? option.
4415 (init_dependency_output): Suppress output with -MG.
4417 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4420 * invoke.texi: Update.
4422 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4424 * sh.md (reload_outsf): Generate recognizable patterns for
4427 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4429 * c-lang.c (lang_hooks): Update.
4430 (lang_init): Rename c_init.
4431 (lang_finish): Remove.
4432 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4434 * toplev.h (lang_hooks): Add init () and finish ().
4435 * tree.h (lang_init, lang_finish): Remove.
4436 * cp/tree.h (lang_init, lang_finish): Remove.
4437 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4438 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4440 (lang_init, lang_finish): Remove.
4441 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4442 (lang_hooks): Update.
4443 * java/lang.c (lang_init): Rename java_init.
4444 (lang_finish): Remove.
4445 (lang_hooks): Update.
4446 * objc/objc-act.c (lang_init): Rename objc_init.
4447 (lang_finish): Remove.
4448 (lang_hoooks): Update.
4450 20001-01-09 Graham Stott <grahams@redhat.com>
4452 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4453 after `ptr` is initialised.
4455 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4457 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4458 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4459 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4460 stack adjusts, instead of r3.
4462 2001-01-09 Michael Hayes <mhayes@redhat.com>
4464 * flow.c (flow_loop_scan): Break out of ...
4465 (flow_loops_find) ... here.
4466 * basic-block.h (flow_loop_scan): New.
4467 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4468 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4470 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4472 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4474 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4475 realloc()ing macro_buffer.
4477 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4478 if it's wider than long and the target's long is wider than the
4481 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4483 Remove support for using UWIN as a host machine.
4484 * configure.in: Issue an error message.
4485 * configure: Regenerated.
4486 * config.gcc: Remove xm_* UWIN configury.
4487 * config/i386/xm-uwin.h: Remove.
4489 2001-01-08 Nick Clifton <nickc@redhat.com>
4491 * config/v850/v850.c (ra_rtx): Delete.
4492 (v850_save_machine_status): Delete.
4493 (v850_restore_machine_status): Delete.
4494 (v850_init_machine_status): New function.
4495 (v850_mark_machine_status): New function.
4496 (v850_free_machine_status): New function.
4497 (v850_return_addr): Use ra_rtx field in machine structure.
4498 (v850_init_expanders): Use new functions.
4500 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4501 * config/v850/v850.c: Change arguments to v850_output+* functions
4502 to take a const char *, to avoid compile time warning.
4503 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4504 (USER_LABEL_PREFIX): Redefine.
4506 2000-01-08 Jim Wilson <wilson@redhat.com>
4508 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4509 1 to unsigned HOST_WIDE_INT before left shift.
4511 2001-01-08 Nick Clifton <nickc@redhat.com>
4513 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4514 the machine structure has been allocated.
4515 (arm_free_machine_status): New function: Free the machine
4516 specific function structure.
4518 2001-01-08 Richard Henderson <rth@redhat.com>
4520 * jump.c (simplejump_p): Revert last change.
4522 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4524 * cppinit.c (init): Rename init_library.
4525 (cpp_create_reader): Update.
4526 * gcc.c (cpp_options): If -o given, use it as the target of
4529 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4531 * arm.c (arm_arch5e): New variable.
4532 (all_cores): XScale is a 5TE device.
4533 (arm_override_options): Set arm_arch5e.
4534 (arm_init_builtins): __builtin_prefetch is in arch5e.
4535 * arm.h (arm_arch5e): Declare it.
4537 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4539 * arm.md (define_constants): Add defines for UNSPEC and
4540 UNSPEC_VOLATILE insns. Update all users.
4541 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4542 * arm.c (multi_register_push, note_invalid_constants)
4543 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4544 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4545 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4547 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4549 * jump.c (jump_optimize_1): Use reversed_comparison_code
4550 instead of can_reverse_comparison_p.
4551 (jump_back_p): Likewise.
4552 (invert_exp_1): Likewise.
4553 (thread_jumps): Likewise.
4554 * simplify-rtx.c (simplify_unary_operation): Likewise.
4555 (simplify_ternary_operation): Likewise.
4556 * cse.c (find_comparison_args): Convert to use
4557 can_reverse_comparison_p.
4558 (record_jump_equiv): Likewise.
4560 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4562 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4563 (EPILOGUE_USES): Define.
4564 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4565 automatically stack the LR if it isn't live.
4567 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4569 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4572 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4574 * ggc-page.c (max_alignment): New structure.
4575 (MAX_ALIGNMENT): New macro.
4576 (init_ggc): Use it to round up the sizes in the
4577 extra_order_size_table.
4579 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4581 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4584 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4586 * builtins.def (BUILT_IN_FPRINTF): New entry.
4588 * c-common.c (c_expand_builtin_fprintf): New function.
4589 (init_function_format_info): Handle __builtin_fprintf.
4590 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4591 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4593 * c-decl.c (duplicate_decls): Adjust comment.
4595 * extend.texi (fprintf): Document new builtin.
4597 2001-01-07 Richard Henderson <rth@redhat.com>
4599 * jump.c (simplejump_p): Recognize any single_set jump
4602 2001-01-07 Richard Henderson <rth@redhat.com>
4604 * configure.in (slibdir): Accept an --with-slibdir option.
4605 Use "test" not "[" in configure. Default to $(libdir).
4607 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4609 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4610 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4611 (SHLIB_LINK): Create links for the soname.
4612 * config/mips/t-iris6: Likewise.
4613 * config/sparc/t-slibgcc: Likewise.
4614 * config/sparc/t-slibgcc-sld: Likewise.
4616 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4618 * config/i386/i386.c (constant_call_address_operand): Accept
4619 (const (plus (symbol_ref) (const_int))).
4620 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4621 constant_call_address_operand.
4623 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4625 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4626 and LONG_LONG_TYPE_SIZE > 32.
4628 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4630 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4631 the previous change.
4633 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4635 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4637 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4638 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4639 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4642 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4644 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4646 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4648 * c-lang.c (c_post_options): Call cpp_post_options.
4649 * objc/objc-act.c (objc_post_options): Similarly.
4650 * cppmain.c (main): Similarly.
4651 * fix-header.c (read_scan_file): Similarly.
4652 * cppinit.c (cpp_start_read): Move option consistency checks
4653 to cpp_post_options. Don't call init_dependency_output.
4654 If needed, add default target and main file dependency.
4655 (OPT_MD, OPT_MMD): Remove.
4657 (cpp_handle_option): Update for OPT_* changes.
4658 (cpp_post_options): New.
4659 (init_dependency_output): Command line -MF overrides environment
4660 variables. Don't set default target etc. Suppress output
4661 if dependencies are going to stdout.
4662 (print_help): Update.
4663 * cpplib.h (cpp_post_options): New.
4664 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4666 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4668 * jump.c (comparison_dominates_p): Support unordered compares.
4670 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4672 * simplify-rtx.c (simplify_relational_operation): Always simplify
4673 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4676 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4678 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4679 (nonzero_bits): Likewise.
4680 (simplify_comparison): Likewise.
4681 (num_sign_bit_copies): Likewise; return more sane value depending
4682 on STORE_FLAG_VALUE.
4683 (known_cond): Do not assume EQ to be always true for equivalent
4686 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4688 * cse.c (fold_rtx): Handle unordered comparisons.
4690 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4692 * rtlanal.c (set_of_1): New static function.
4693 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4694 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4695 reg_set_last_last_regno): Remove.
4696 (set_of): New global function.
4697 (set_of_data): New structure.
4698 (reg_set_p, reg_set_last): Revamp for set_of.
4699 * rtl.h (set_of): New.
4701 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4703 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4704 * extend.texi: Document _Exit builtin.
4706 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4708 * (initialize, initialize_builtins,
4709 initialize_dependency_output, initialize_standard_includes):
4710 Rename s/initialize/init. Update.
4711 (init_dependency_output): Move to after
4712 cpp_handle_options, the correct location temporally at least.
4713 (opt_comp): Move next to init (), its caller. Fix prototype.
4714 (init): Make "initialized" local scope.
4715 (cpp_create_reader): Always call init ().
4716 (cpp_start_read): Update.
4717 (output_deps): New function, broken out of cpp_finish.
4718 (cpp_finish): Break out output_deps.
4720 2001-01-07 Richard Henderson <rth@redhat.com>
4722 * collect2.c (COFF specific stuff): Revert 12-06 patch
4723 to prototype system functions.
4725 2001-01-07 Michael Hayes <mhayes@redhat.com>
4727 * hard-reg-set.h: Add multiple include guard.
4728 * basic-block.h (struct loop): Add `sink' field.
4729 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4730 (emit_iv_add_mult): Delete.
4731 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4732 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4733 (unroll_loop): Remove end_insert_before argument.
4734 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4735 (maybe_eliminate_biv_1): Likewise.
4736 (emit_iv_add_mult): Delete.
4737 (gen_add_mult, loop_regs_update): New.
4738 (loop_insn_emit_after, loop_insn_emit_before): New.
4739 (loop_insn_sink, loop_insn_sink_or_swim): New.
4740 (emit_iv_add_mult): Delete.
4741 (scan_loop): Set loop->sink.
4742 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4743 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4744 (maybe_eliminate_biv_1): Likewise.
4745 (maybe_eliminate_biv_1): Add basic block argument.
4746 * unroll.c (unroll_loop): Remove end_insert_before argument.
4747 (find_splittable_regs): Likewise.
4748 (find_splittable_regs): Use loop_insn_sink and its ilk.
4749 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4751 2001-01-07 Michael Hayes <mhayes@redhat.com>
4753 * loop.h (loop_insn_hoist): New prototype.
4754 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4755 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4756 (check_dbra_loop, load_mems): Likewise.
4757 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4758 (find_splittable_givs): Likewise.
4760 2001-01-07 Michael Hayes <mhayes@redhat.com>
4762 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4764 2001-01-07 Richard Henderson <rth@redhat.com>
4766 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4768 2001-01-07 Richard Henderson <rth@redhat.com>
4770 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4771 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4772 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4773 variant that handles a shared libgcc.
4774 (process_command): Always validate -{static,shared}-libgcc.
4775 (do_spec_1): New 'M' case.
4776 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4778 2001-01-07 Richard Henderson <rth@redhat.com>
4780 * Makefile.in (slibdir): New variable.
4781 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4782 (installdirs): Create slibdir.
4783 (install-libgcc, install-multilib): Defer to libgcc.mk.
4784 * configure.in (slibdir): Substitute.
4785 * mklibgcc.in (install): New target.
4787 * config/t-linux (SHLIB_LINK): Create links for the soname.
4788 (SHLIB_INSTALL): New.
4789 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4790 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4791 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4792 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4793 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4795 2001-01-07 Richard Henderson <rth@redhat.com>
4797 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4798 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4799 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4801 2001-01-07 Michael Hayes <mhayes@redhat.com>
4803 * loop.c (count_loop_regs_set): Delete.
4804 (load_mems_and_recount_loop_regs_set): Delete.
4805 (loop_regs_scan): Merge common code from count_loop_regs_set,
4806 scan_loop, and load_mems_and_recount_loop_regs_set.
4807 (scan_loop): Call load_mems directly and loop_regs_scan
4808 again if new registers created.
4810 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4812 * toplev.c (main): Call the front-end specific post_options
4813 hook if one is given.
4814 * toplev.h (struct_lang_hooks, lang_hooks): New.
4815 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4816 for the C front end.
4817 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4818 lang_hooks for the C++ front end.
4819 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4820 lang_hooks for the ObjC front end.
4821 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4822 * java/lang.c (lang_hooks): Hooks for the Java front end.
4824 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4826 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4827 for verbose DWARF[2] debugging.
4828 (cb_define, cb_undef): The new callbacks.
4829 * toplev.h (debug_define, debug_undef): Make const correct.
4830 * toplev.c (debug_define, debug_undef): Similarly. Do not
4831 perform the verbosity tests here anymore.
4833 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4835 * reload.c (subst_reloads): Take INSN argument. When
4836 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4837 * reload.h (subst_reloads): Adjust prototype.
4838 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4839 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4840 present in JUMP_INSNs and copy them to JUMP_LABEL.
4841 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4842 JUMP_INSNs and insns with REG_LABELs that are followed by
4843 JUMP_INSNs with the same REG_LABEL.
4844 * sched-rgn.c (is_cfg_nonregular): Likewise.
4845 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4847 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4849 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4851 2001-01-06 Richard Henderson <rth@redhat.com>
4853 * loop.c (scan_loop): Use xcalloc for the regs array.
4854 (load_mems_and_recount_loop_regs_set): Zero the new memory
4855 received from xrealloc.
4857 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4859 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4861 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4863 * integrate.c (copy_rtx_and_substitute): When copying
4864 an ignored return value, strip REG_FUNCTION_VALUE_P.
4866 2001-01-06 Michael Hayes <mhayes@redhat.com>
4868 * loop.c (debug_biv, debug_giv): New.
4869 (loop_biv_dump): Break out from ...
4870 (record_biv): ... here.
4871 (loop_giv_dump): Break out from ...
4872 (record_giv): ... here.
4873 (loop_bivs_check): Use print_simple_rtl.
4874 * unroll.c (loop_iterations): Use print_simple_rtl.
4876 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4878 * pa.md (return, return_internal): Modify patterns to prevent regrename
4879 mucking with the return pointer.
4881 2001-01-05 Richard Henderson <rth@redhat.com>
4883 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4885 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4887 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4888 version supplied by Matteo Frigo.
4890 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4892 * cpp.texi: Update for -MQ.
4893 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4894 (cpp_cleanup): Always free pfile->deps.
4895 (initialize_dependency_output): Don't create pfile->deps.
4896 (cpp_handle_option): Similarly.
4898 * gcc.c (cpp_options): Handle -MQ.
4899 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4900 * mkdeps.c (base_name): Remove.
4901 (deps_init): Don't allocate vector space until it's needed.
4902 (deps_free): Only free vectors if allocated.
4903 (deps_add_target, deps_add_dep): Update for initial allocation.
4904 (deps_add_default_target): Don't strip to the base_name.
4906 2001-01-05 DJ Delorie <dj@redhat.com>
4908 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4909 (INIT_EXPANDERS): Define.
4911 * config/v850/v850.c (struct machine_function): Define.
4912 (v850_save_machine_status): New function.
4913 (v850_restore_machine_status): New function.
4914 (v850_return_addr): New function.
4915 (v850_init_expanders): New function.
4917 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4918 and v850_init_expanders.
4920 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4922 * cpplib.h (struct cpp_reader): Add help_only field.
4923 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4924 (cpp_handle_option): Set pfile->help_only if we see -h,
4925 --help, -target-help, or --version. Print version string but
4926 do not set help_only if we see -v or -version. Make text
4927 printed by -v match that printed by (-)-version.
4929 * cppmain.c (main): Exit after option parsing if
4930 pfile->help_only is true.
4932 * toplev.c (independent_decode_option): Call print_version,
4933 then exit, if we see --version (but not -version).
4934 (print_version): Split lengthy message into two lines.
4936 2001-01-05 Nick Clifton <nickc@redhat.com>
4938 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4939 temporary string for initialisation before calling ggc_alloc_string.
4941 2001-01-06 Michael Hayes <mhayes@redhat.com>
4943 * rtl.h (print_simple_rtl): New.
4944 * print-rtl.c (print_simple_rtl): New.
4946 (print_rtx): Disable printing of flags and modes, etc.,
4947 if `flag_simple` nonzero.
4949 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4951 * function.c (fixup_var_refs): Use push_to_full_sequence where
4954 2001-01-05 Michael Meissner <meissner@redhat.com>
4956 * flags.h (flag_reorder_blocks): Add declaration.
4957 (flag_rename_block): Ditto.
4959 2001-01-05 DJ Delorie <dj@redhat.com>
4961 * function.c (reorder_blocks): Make sure the flags are all reset
4962 before using them to mark blocks, else a second invocation will
4963 corrupt the block chain.
4964 (reorder_blocks_0): New, resets the flags.
4966 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4968 * cse.c (find_comparison_args): Stop if the argument is known to
4971 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4973 * config/sh/sh.md (movdf): When splitting load into pair of
4974 registers, don't clobber the register used in the address too
4977 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4979 * varasm.c (mark_constant_pool): Improve initial comments.
4980 (mark_constants): Move marking of constants to mark_constant.
4981 (mark_constant): New function to recursively mark all constants
4982 referred to by a constant.
4984 2001-01-05 Catherine Moore <clm@redhat.com>
4986 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4988 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4990 * cp/lang-options.h: Bring comment in line with reality.
4991 * f/lang-options.h: Likewise.
4992 * java/lang-options.h: Likewise.
4993 * objc/lang-options.h: Likewise.
4994 * ch/lang-options.h: Likewise.
4995 * f/g77.texi: And update the manual.
4997 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4998 Denis Chertykov <denisc@overta.ru>
5000 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5001 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5002 * config/avr/avr.md (all peepholes that request a scratch register):
5003 Call it, FAIL the peephole if not safe (in interrupt functions).
5005 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5007 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5009 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5011 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5013 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5014 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5015 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5016 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5017 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5019 * extend.texi: Document these builtins.
5021 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5023 * c-common.c (lang_get_alias_set): Say we know nothing of
5024 VECTOR_TYPE aliasing.
5026 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5028 2001-01-05 Bruce Korb <bkorb@gnu.org>
5030 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5031 their x* equivalent versions for atexit-less systems
5032 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5033 systems (or any other system any more).
5035 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5037 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5038 output operands. Use arm_hard_register_operand for operand 4.
5039 (stmsi_postinc): Similarly.
5040 (ldmsi): Use arm_hard_register_operand for opernand 2.
5042 * arm.c (arm_hard_register_operand): New function.
5043 * arm-protos.h (arm_hard_register_operand): Prototype it.
5045 * arm.h (HARD_REGNO_RENAME_OK): Define.
5047 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5049 * simplify-rtx.c (cfc_args): add "unordered" field.
5050 (check_fold_consts): Set unordered field.
5051 (simplify_relational_operation): Simplify the unordered
5054 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5057 * emit-rtl.c (try_split): Fix code to mark labels.
5058 * jump.c (mark_jump_label): Make global.
5059 * rtl.h (mark_jump_label): Declare.
5061 * predict.c (estimate_probability): Handle unordred comparisons.
5063 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5065 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5066 * cppinit.c (initialize_dependency_output): Update.
5067 (cpp_finish): Output dummy targets for -MP.
5069 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5070 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5071 * gcc.c (cpp_options): Update to handle -MP.
5072 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5073 to quote only the default target.
5074 (deps_phony_targets): Insert a preceding newline. Rename from
5075 deps_dummy_targets for consistency.
5078 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5080 * calls.c (emit_library_call_value_1): Support
5081 INIT_CUMULATIVE_LIBCALL_ARGS.
5082 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5084 2001-01-04 Richard Henderson <rth@redhat.com>
5086 * c-decl.c (finish_struct): Detect flexible array members
5087 used in an inappropriate context.
5088 * c-typeck.c (really_start_incremental_init): Special case
5089 constructor_max_index for zero length arrays.
5090 (pop_init_level): Allow initialization of flexible array
5091 members. Deprecate initialization of zero length arrays.
5092 Don't issue missing initializer warning for flexible array
5093 members or zero length arrays.
5094 (process_init_element): Don't dereference null DECL_SIZE.
5095 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5096 Don't abort for empty constructors. Use size_binop
5097 (output_constructor): Add commentary regarding zero length
5098 array futures. Abort if we try to initialize an array of
5099 unspecified length with a non-empty constructor in the middle
5102 * extend.texi (Zero Length): Update and clarify documentation
5103 on static initialization.
5105 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5107 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5108 with more than 32767 words of local storage.
5110 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5112 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5113 for 'abs', 'labs', and 'fabs'.
5114 (c4x_expand_builtin): Likewise.
5115 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5117 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5119 * config/sh/sh.md (prget, prset): New insn types.
5120 (return delay slot): Dont' allow prset.
5121 (call, sfunc delay slot): Don't allow prget.
5122 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5123 for prset and prget.
5125 2001-01-05 Michael Hayes <mhayes@redhat.com>
5127 * loop.h (struct loop_reg): New.
5128 (struct loop_regs): Change to use array of `struct loop_reg'.
5129 * loop.c: Replace assortment of varrays with single regs array.
5130 (count_one_set): Delete may_not_move array argument
5131 and use regs array instead. All caller's changed.
5132 (count_loop_regs_set): Delete may_not_move and single_usage
5133 arguments and use regs array instead. All caller's changed.
5134 (find_single_use_in_loop): Replace usage array argument with pointer
5135 to regs structure. All caller's changed.
5136 (loop_optimize): Delete `moved_once' array.
5138 2001-01-05 Michael Hayes <mhayes@redhat.com>
5140 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5141 Use it instead of loop_info->has_call for scanning loop mems.
5142 (check_dbra_loop): Replace loop_info->has_call test with
5143 loop_info->has_nonconst_call.
5145 2000-01-04 Matthew Hiller <hiller@redhat.com>
5147 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5150 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5152 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5153 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5155 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5157 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5158 (flag_short_double, flag_short_wchar): Define.
5159 (c_common_nodes_and_builtins): Create many tree nodes shared
5160 between C and C++ here instead of in cp/decl.c and ...
5161 * c-decl.c (init_decl_processing): ... here.
5162 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5163 (flag_short_double, flag_short_wchar): Don't define.
5164 (record_builtin_type): New function.
5165 (build_void_list_node): New function.
5166 * c-common.h (flag_short_double, flag_short_wchar,
5167 record_builtin_type, build_void_list_node): Declare.
5169 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5171 * integrate.c (expand_inline_function): Don't put a virtual
5172 register into the reg map.
5174 * function.c (fixup_var_refs_1): If force_operand didn't put
5175 the address into the target, move it there.
5177 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5179 Special-case tree_decl/tree_list allocations.
5180 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5181 (OBJECT_SIZE): New macro.
5182 (NUM_EXTRA_ORDER): Likewise.
5183 (extra_order_size_table): New variable.
5184 (NUM_ORDERS): New macro.
5185 (objects_per_page_table): New variable.
5186 (object_size_table): New variable.
5187 (G.pages): Use NUM_ORDERS to bound the array.
5188 (G.page_tails): Likewise.
5189 (DIV_ROUND_UP): Remove.
5190 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5191 (alloc_page): Use OBJECT_SIZE.
5192 (size_lookup): Don't make it const.
5193 (ggc_alloc): Use OBJECT_SIZE.
5194 (ggc_set_mark): Likewise.
5195 (ggc_get_size): Likewise.
5196 (init_ggc): Set up the object_size_table, objects_per_page_table,
5197 and adjust size_lookup.
5198 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5199 (ggc_pop_context): Use NUM_ORDERS.
5200 (clear_marks): Likewise.
5201 (sweep_pages): Likewise.
5202 (poison_pages): Likewise.
5203 (ggc_print_statistics): Use OBJECT_SIZE.
5205 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5207 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5208 Only call array_size_for_constructor if last field and array type
5209 with no upper bound.
5211 2001-01-04 Philip Blundell <philb@gnu.org>
5213 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5214 from bit 31 downwards, if this requires no more insns.
5215 (count_insns_for_constant): New helper function for above.
5217 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5219 * gencodes.c (output_predicate_decls): Remove empty initializer.
5221 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5223 * tree.c (copy_node): Remove documentation about obstacks.
5224 (buidl1): Check that nobody tries to build 2-argument nodes this
5227 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5229 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5232 * gencodes.c (output_predicate_decls): Fill empty initializer
5235 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5237 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5238 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5240 (do_include): Handle missing headers like cpp0.
5241 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5242 paths with first include pathname. Don't strcat to uninitialized
5245 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5247 * regrename.c (regrename_optimize): Don't rename from frame pointer
5248 if frame_pointer_needed.
5249 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5250 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5251 (ia64_reorg): Use it instead of scheduling if ! optimize.
5252 (errata_emit_nops): Properly call asm_noperands.
5253 (ia64_sched_reorder): Finish cycle if we see an asm.
5254 (ia64_variable_issue): Clear scheduling state after asms.
5256 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5258 * cpp.texi: Update for -MT.
5259 * cppinit.c (initialize_dependency_output): Add a default
5260 target if none has been given already.
5261 (no_tgt, OPT_MT): New.
5262 (cpp_handle_option): Handle -MT. Update -M etc.
5263 * cpplib.h (struct cpp_options): Remove deps_target.
5264 * gcc.c (cpp_options): Handle -MT.
5265 * mkdeps.c (struct deps): Move from mkdeps.h.
5266 (deps_calc_target): Rename deps_add_default_target. Add a
5267 default target if none has been specified already.
5268 * mkdeps.h (struct deps): Move to mkdeps.c.
5269 (deps_calc_target): Rename deps_add_default_target.
5271 2000-01-03 Richard Henderson <rth@redhat.com>
5273 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5275 * c-typeck.c (push_init_level): Move checks for flexible array
5276 members and zero length arrays ...
5277 (pop_init_level): ... here. Silently discard empty initializations.
5279 * varasm.c (output_constructor): Update for sizeof change to
5282 * extend.texi (Zero Length): Clarify semantics.
5284 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5286 * configure.in (tm.h): Include isns-codes.h last.
5287 * configure: Rebuilt.
5289 2001-01-03 Richard Henderson <rth@redhat.com>
5291 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5292 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5294 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5296 * tradcpp.c (main): Make sure finclude() is called with a valid
5297 indepth value while handling -include.
5299 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5301 * gencodes.c (output_predicate_decls): New function.
5303 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5304 even if it is not the first time machmode.h is #included.
5305 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5306 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5307 * gcc.texi (Copyright): Added 2001.
5309 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5311 * c-common.c (c_common_lang_init): New function. Warn if format
5312 warning options which only have effects when used with -Wformat
5313 are used without -Wformat.
5314 * c-common.h (c_common_lang_init): Declare.
5315 * c-lang.c (lang_init): Call c_common_lang_init.
5316 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5318 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5320 * configure.in: Check for the mktemp command.
5321 * configure: Regenerate.
5322 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5323 $TEMP. Create temporary files with mktemp, if available at
5324 configure time; otherwise use set -C. Remove temporary files
5327 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5329 * configure.in: Require at least texinfo 4.0. Check for whether
5330 Pod::Man is sufficiently recent to regenerate GCC manpages.
5331 * configure: Regenerate.
5332 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5334 (GENERATED_MANPAGES): Define.
5335 (generated-manpages): New target. Depend on cpp.1 as well as
5337 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5338 configure to generated-manpages or empty) rather than on the
5339 manpages directly. Remove execute permission from installed
5340 gcov.1 as well as cpp.1.
5341 * cpp.1, gcov.1: Regenerate.
5343 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5345 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5346 tree_low_cst. Allow using cmpstrsi in more cases.
5348 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5350 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5353 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5355 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5356 * Makefile.in (HOST_CFLAGS): Mention build-make.
5358 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5360 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5363 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5365 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5368 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5371 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5372 reg_base_value and reg_known_value arrays.
5373 (init_alias_analysis): Add more cases to detect known values.
5374 * sched-deps.c (deps_may_trap_p): New function.
5375 (sched_analyze_2): Use it.
5377 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5379 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5380 don't discard an ASHIFTRT if we're shifting in a wider mode.
5382 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5384 * toplev.c (rest_of_compilation): Don't print basic block information
5385 when CFG isn't up to date.
5387 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5389 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5390 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5391 (UNALIGNED_SHORT_ASM_OP): Define.
5392 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5394 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5396 * fold-const.c (fold_convert): Fix typo.
5398 2001-01-02 Richard Henderson <rth@redhat.com>
5400 * c-common.h (ASM_INPUT_P): New.
5401 * c-parse.in (asm): Set it when needed.
5402 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5403 existance of an operand.
5405 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5407 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5408 (dwarf2out_frame_debug_expr): Likewise.
5409 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5411 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5413 * i386.c (ix86_split_to_parts): Return number of part required;
5415 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5417 (ix86_split_long_move): Use number of part returned
5418 by ix86_split_to_parts
5419 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5421 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5422 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5423 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5424 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5425 (ALIGN_MODE_128): Add TFmode.
5426 (IS_STACK_MODE): Likewise.
5427 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5428 (HARD_REGNO_OK): Support TFmodes.
5429 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5430 * i386.md (scheduler definitions): Use memory operand to determine
5431 fst/fld instructions; use mode attribute to determine real mode of
5433 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5434 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5436 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5438 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5440 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5442 * expr.c (store_constructor_field): Update ALIGN before calling
5445 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5447 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5450 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5452 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5455 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5457 * c-decl.c (start_function): Don't warn on third parameter to main.
5459 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5461 * tsystem.h: Define HAVE_DECL_GETOPT.
5463 2001-01-02 Philip Blundell <pb@futuretv.com>
5465 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5468 2001-01-02 Richard Henderson <rth@redhat.com>
5470 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5472 2001-01-02 Andreas Jaeger <aj@suse.de>
5474 * c-decl.c (c_decode_option): Remove support of
5477 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5478 (W_options): Add -Wmissing-noreturn here.
5480 * flow.c: Define lang_missing_noreturn_ok_p.
5481 (check_function_return_warnings): Use it.
5483 * c-common.h: Declare lang_missing_noreturn_ok_p.
5485 * c-lang.c (c_missing_noreturn_ok_p): New function.
5486 (lang_init): Set lang_missing_noreturn_ok_p.
5488 * invoke.texi (Warning Options): Document this.
5490 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5492 * extend.texi (C++ Extensions): New node for C++ attributes;
5493 describe init_priority and com_interface.
5494 * invoke.texi: Remove -finit-priority as it now has zero effect.
5495 * install.texi: Fix xref syntax.
5496 * md.texi: Likewise.
5498 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5500 * config.gcc (sparc64-wrs-vxworks*): New case.
5501 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5503 * config/sparc/sparc.c (sparc_override_options): Do support different
5504 pointer and architecture size.
5505 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5506 (POINTERS_EXTEND_UNSIGNED): Define.
5507 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5508 (FUNCTION_MODE): Define to be Pmode.
5509 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5511 * function.c (expand_function_end): Properly handle DECL_RESULT
5512 and copy when ptr_mode != Pmode.
5513 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5515 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5517 * c-common.c (c_common_nodes_and_builtins): Set prototype
5518 parameters for __builtin_fputs, __builtin_fputc and
5519 __builtin_fwrite. Don't declare plain fputc as a builtin.
5521 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5523 * loop.c (add_label_notes): Increment the label usage count when
5524 a note is added to an insn which refers to a CODE_LABEL.
5525 * gcse.c (add_label_notes): Likewise.
5527 2001-01-01 Andreas Jaeger <aj@suse.de>
5529 * loop.c (scan_loop): Use xmalloc to allocate movables.
5531 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5533 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5534 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5535 * reload1.c (REGISTER_MOVE_COST): Likewise.
5536 * regclass.c (REGISTER_MOVE_COST): Likewise.
5537 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5538 dimension. Adjust all users.
5539 (init_reg_sets_1): Iterate on all modes.
5540 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5541 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5542 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5543 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5544 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5545 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5546 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5547 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5548 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5549 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5550 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5551 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5552 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5553 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5554 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5555 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5556 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5557 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5558 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5559 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5560 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5561 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5562 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5563 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5564 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5565 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5566 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5568 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5570 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5571 arg VARIES_P. Call it with extra arg.
5572 (true_dependence): Likewise.
5573 * rtl.h (rtx_addr_can_trap_p): Declare.
5574 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5576 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5577 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5578 pic offset table register if it's zero. All callers changed.
5579 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5581 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5583 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5584 STRING_POOL_ADDRESS_P.
5586 * config/sparc/sparc.c (input_operand): Properly test for short op.
5588 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5589 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5590 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5591 * config/sparc/elf.h: No longer include sol2.h.
5592 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5593 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5595 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5597 2001-01-01 Michael Hayes <mhayes@redhat.com>
5599 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5600 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5601 (record_initial): Likewise.
5602 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5603 (remap_split_bivs): Likewise.
5605 2001-01-01 Michael Hayes <mhayes@redhat.com>
5607 * loop.c (loop_ivs_free): New function.
5608 (strength_reduce): Break out from...
5610 2001-01-01 Michael Hayes <mhayes@redhat.com>
5612 * loop.h (struct iv): New.
5613 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5614 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5615 'reg_biv_class' fields with 'regs' and 'n_regs'.
5616 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5617 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5618 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5620 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5622 * resource.c (mark_referenced_resources): Abort() before
5623 attempting to mark a pseudo register.
5624 (mark_set_resources): Likewise.
5626 2001-01-01 Michael Hayes <mhayes@redhat.com>
5628 * loop.h (REG_IV_CLASS): New accessor macro.
5629 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5630 * unroll.c (REG_IV_CLASS): Likewise.
5632 See ChangeLog.4 for earlier changes.